A man walks through the nearly empty delegates entrance hallway at United Nations headquarters during the 75th annual U.N. General Assembly high-level debate, which is being held mostly virtually due to the coronavirus disease (COVID-19) pandemic in New York, U.S., September 21, 2020.

A security guard patrols through the empty visitors lobby at United Nations headquarters during the 75th annual U.N. General Assembly high-level debate, which is being held mostly virtually due to the coronavirus disease (COVID-19) pandemic in New York, U.S., September 21, 2020.

The exterior of the General Assembly Hall at United Nations headquarters is seen during the 75th annual U.N. General Assembly high-level debate, which is being held mostly virtually due to the coronavirus disease (COVID-19) pandemic in New York, U.S., September 21, 2020.

The United Nations building is pictured in the early evening with most of its lights out during the 75th annual U.N. General Assembly high level debate, which is being held mostly virtually due to the coronavirus disease (COVID-19) pandemic in the Manhattan borough of New York City, New York, U.S., September 21, 2020.

U.S. President Donald Trump is seen on a screen through a window into an empty conference room as he delivers a pre-recorded address to the 75th annual U.N. General Assembly at United Nations headquarters, which is being held mostly virtually due to the coronavirus disease (COVID-19) outbreak in New York, U.S., September 22, 2020.

Diplomats arrive through the delegates entrance at the 75th annual U.N. General Assembly at U.N. headquarters, which is being held mostly virtually due to the coronavirus disease (COVID-19) outbreak in New York, U.S., September 22, 2020.

Diplomats arrive through the delegates entrance at the 75th annual U.N. General Assembly at U.N. headquarters, which is being held mostly virtually due to the coronavirus disease (COVID-19) outbreak in New York, U.S., September 22, 2020.

President of Brazil Jair Bolsonaro speaks during the 75th annual U.N. General Assembly, which is being held mostly virtually due to the coronavirus disease (COVID-19) pandemic in the Manhattan borough of New York City, New York, U.S., September 22, 2020. United Nations/Handout via REUTERS

U.S. President Donald Trump is seen on a screen through a window into an empty conference room as he delivers a pre-recorded address to the 75th annual U.N. General Assembly at United Nations headquarters, which is being held mostly virtually due to the coronavirus disease (COVID-19) outbreak in New York, U.S., September 22, 2020.

Riyad H. Mansour, Permanent Observer of Palestine to the United Nations, arrives at U.N. headquarters for the 75th annual General Assembly high level debate which is being held mostly virtually due to the coronavirus disease (COVID-19) outbreak in New York, U.S., September 22, 2020.

A statue of former South African President Nelson Mandela is seen in the empty arrivals hall at United Nations headquarters during the 75th annual U.N. General Assembly high level debate, which is being held mostly virtually due to the coronavirus disease (COVID-19) outbreak in New York, U.S., September 22, 2020.

Brazil's President Jair Bolsonaro is seen on a screen through a window into an empty conference room as he delivers a pre-recorded address to the 75th annual U.N. General Assembly at U.N. headquarters, which is being held mostly virtually due to the coronavirus disease (COVID-19) outbreak in New York, U.S., September 22, 2020.

The United Nations headquarters is seen during the 75th annual U.N. General Assembly high-level debate, which is being held mostly virtually due to the coronavirus disease (COVID-19) pandemic in New York, U.S., September 21, 2020.

A man stands alone outside the General Assembly Hall at United Nations headquarters during the 75th annual U.N. General Assembly high-level debate, which is being held mostly virtually due to the coronavirus disease (COVID-19) pandemic in New York, U.S., September 21, 2020.

Brazil's President Jair Bolsonaro is seen on a tv screen in a barbershop as he speaks in a video recorded speech for the 75th session of the United Nations General Assembly, in Brasilia, Brazil, September 22, 2020.

An empty hallway leading to the General Assembly Hall is seen at United Nations headquarters during the 75th annual U.N. General Assembly high-level debate, which is being held mostly virtually due to the coronavirus disease (COVID-19) pandemic in New York, U.S., September 21, 2020.

U.S. President Donald Trump is seen on a screen through a window to an empty conference room as he delivers a pre-recorded address to the 75th annual U.N. General Assembly at United Nations headquarters, which is being held mostly virtually due to the coronavirus disease (COVID-19) outbreak in New York, U.S., September 22, 2020.

U.S. Ambassador to the United Nations Kelly Craft arrives at the 75th annual U.N. General Assembly at U.N. headquarters, which is being held mostly virtually due to the coronavirus disease (COVID-19) outbreak in New York, U.S., September 22, 2020.

U.S. Ambassador to the United Nations Kelly Craft arrives at the 75th annual U.N. General Assembly at U.N. headquarters, which is being held mostly virtually due to the coronavirus disease (COVID-19) outbreak in New York, U.S., September 22, 2020.

Russian Ambassador to the United Nations Vasily Nebenzya arrives at the 75th annual U.N. General Assembly at U.N. headquarters, which is being held mostly virtually due to the coronavirus disease (COVID-19) outbreak in New York, U.S., September 22, 2020.

Russia's President Vladimir Putin is seen during his video address to the United Nation's General Assembly in Moscow, Russia September 22, 2020. Sputnik/Mikhail Klimentyev/Kremlin via REUTERS

U.S. President Donald Trump speaks during the 75th annual U.N. General Assembly, which is being held mostly virtually due to the coronavirus disease (COVID-19) pandemic in the Manhattan borough of New York City, New York, U.S., September 22, 2020. United Nations/Handout via REUTERS

U.S. President Donald Trump speaks during the 75th annual U.N. General Assembly, which is being held mostly virtually due to the coronavirus disease (COVID-19) pandemic in the Manhattan borough of New York City, New York, U.S., September 22, 2020. United Nations/Handout via REUTERS

The United Nations headquarters is seen from the North sculpture garden during the 75th annual U.N. General Assembly high-level debate, which is being held mostly virtually due to the coronavirus disease (COVID-19) pandemic in New York, U.S., September 21, 2020.

A sign is seen outside the General Assembly Hall at United Nations headquarters during the 75th annual U.N. General Assembly high-level debate, which is being held mostly virtually due to the coronavirus disease (COVID-19) pandemic in New York, U.S., September 21, 2020.

A sign sits in the empty North entrance plaza at United Nations headquarters during the 75th annual U.N. General Assembly high-level debate, which is being held mostly virtually due to the coronavirus disease (COVID-19) pandemic in New York, U.S., September 21, 2020.

A sign is seen outside the General Assembly Hall at United Nations headquarters during the 75th annual U.N. General Assembly high-level debate, which is being held mostly virtually due to the coronavirus disease (COVID-19) pandemic in New York, U.S., September 21, 2020.

An empty lounge is seen outside the General Assembly Hall at United Nations headquarters during the 75th annual U.N. General Assembly high-level debate, which is being held mostly virtually due to the coronavirus disease (COVID-19) pandemic in New York, U.S., September 21, 2020.

The United Nations building is pictured in the early evening with most of its lights out during the 75th annual U.N. General Assembly high level debate, which is being held mostly virtually due to the coronavirus disease (COVID-19) pandemic in the Manhattan borough of New York City, New York, U.S., September 21, 2020.

The United Nations building is pictured in the early evening with most of its lights out during the 75th annual U.N. General Assembly high level debate, which is being held mostly virtually due to the coronavirus disease (COVID-19) pandemic in the Manhattan borough of New York City, New York, U.S., September 21, 2020.

President of Turkey, Recep Tayyip Erdogan, speaks during the 75th annual U.N. General Assembly, which is being held mostly virtually due to the coronavirus disease (COVID-19) pandemic in the Manhattan borough of New York City, New York, U.S., September 22, 2020. United Nations/Handout via REUTERS

People's Republic of China President Xi Jinping speaks during the 75th annual U.N. General Assembly, which is being held mostly virtually due to the coronavirus disease (COVID-19) pandemic in the Manhattan borough of New York City, New York, U.S., September 22, 2020. United Nations/Handout via REUTERS

A worker walks past a picture of former U.N. Secretary General Ban Ki-moon in the lobby of the United Nations building during the 75th annual U.N. General Assembly high level debate, which is being held mostly virtually due to the coronavirus disease (COVID-19) pandemic in the Manhattan borough of New York City, New York, U.S., September 21, 2020.

Portraits of former United Nations Secretary-Generals are seen in the empty arrivals hall at U.N. headquarters during the 75th annual U.N. General Assembly high level debate, which is being held mostly virtually due to the coronavirus disease (COVID-19) outbreak in New York, U.S., September 22, 2020.

Security guards stand in the empty North entrance lobby at United Nations headquarters during the 75th annual U.N. General Assembly high-level debate, which is being held mostly virtually due to the coronavirus disease (COVID-19) pandemic in New York, U.S., September 21, 2020.