Muslims pray before breaking fast on Laylat al-Qadr during the holy month of Ramadan at the historic Niujie Mosque in Beijing, China June 21, 2017. REUTERS/Thomas Peter

A Muslim cleric stands in front of the historic Niujie Mosque on Laylat al-Qadr during the holy month of Ramadan in Beijing, China June 21, 2017. REUTERS/Thomas Peter

Muslim women pray in front of the Dome of the Rock, on the compound known to Muslims as Noble Sanctuary and to Jews as Temple Mount, during Laylat al-Qadr in Jerusalem's Old City June 21, 2017. REUTERS/Ammar Awad

Muslim women stand in front of the the historic Niujie Mosque on Laylat al-Qadr during the holy month of Ramadan in Beijing, China June 21, 2017. REUTERS/Thomas Peter

Muslim clerics break fast on Laylat al-Qadr during the holy month of Ramadan at the historic Niujie Mosque in Beijing, China June 21, 2017. REUTERS/Thomas Peter

Muslim clerics enter the historic Niujie Mosque on Laylat al-Qadr during the holy month of Ramadan in Beijing, China June 21, 2017. REUTERS/Thomas Peter

Muslims listen to the imam before breaking fast on Laylat al-Qadr during the holy month of Ramadan at the historic Niujie Mosque in Beijing, China June 21, 2017. REUTERS/Thomas Peter

An Egyptian Muslim boy takes part in evening prayers called "Tarawih" on Laylat al-Qadr or Night of Decree, at Amr Ibn El-Aas mosque, the first and oldest mosque ever built on the land of Egypt, during the Muslim holy month of Ramadan in old Cairo, Egypt June 21, 2017. REUTERS/Amr Abdallah Dalsh

Egyptian Muslims celebrate during Laylat al-Qadr or Night of Decree, outside El Hussien Mosque in old Cairo, Egypt June 21, 2017. REUTERS/Amr Abdallah Dalsh

Muslim men pray in front of the Dome of the Rock, on the compound known to Muslims as Noble Sanctuary and to Jews as Temple Mount, during Laylat al-Qadr in Jerusalem's Old City June 21, 2017. REUTERS/Ammar Awad

Egyptian Muslims take part in evening prayers called "Tarawih" on Laylat al-Qadr or Night of Decree, at Amr Ibn El-Aas mosque, the first and oldest mosque ever built on the land of Egypt, during the Muslim holy month of Ramadan in old Cairo, Egypt June 21, 2017. REUTERS/Amr Abdallah Dalsh

Muslim women pray in front of the Dome of the Rock, on the compound known to Muslims as Noble Sanctuary and to Jews as Temple Mount, during Laylat al-Qadr in Jerusalem's Old City June 21, 2017. REUTERS/Ammar Awad

Egyptian Muslims take part in evening prayers called "Tarawih" on Laylat al-Qadr or Night of Decree, at Amr Ibn El-Aas mosque, the first and oldest mosque ever built on the land of Egypt, during the Muslim holy month of Ramadan in old Cairo, Egypt June 21, 2017. REUTERS/Amr Abdallah Dalsh

A Muslim man looks at a board listing donations on Laylat al-Qadr during the holy fasting month of Ramadan at the historic Niujie Mosque in Beijing, China June 21, 2017. REUTERS/Thomas Peter

Muslim men enter the historic Niujie Mosque on Laylat al-Qadr during the holy month of Ramadan in Beijing, China June 21, 2017. REUTERS/Thomas Peter

Muslim women pray in front of the Dome of the Rock, on the compound known to Muslims as Noble Sanctuary and to Jews as Temple Mount, during Laylat al-Qadr in Jerusalem's Old City June 21, 2017. REUTERS/Ammar Awad

Muslim women pray in front of the Dome of the Rock, on the compound known to Muslims as Noble Sanctuary and to Jews as Temple Mount, during Laylat al-Qadr in Jerusalem's Old City June 21, 2017. REUTERS/Ammar Awad

A Muslim man breaks fast on Laylat al-Qadr during the holy month of Ramadan at the historic Niujie Mosque in Beijing, China June 21, 2017. REUTERS/Thomas Peter

Muslims pray before breaking fast on Laylat al-Qadr during the holy month of Ramadan at the historic Niujie Mosque in Beijing, China June 21, 2017. REUTERS/Thomas Peter

Muslim women pray in front of the Dome of the Rock, on the compound known to Muslims as Noble Sanctuary and to Jews as Temple Mount, during Laylat al-Qadr in Jerusalem's Old City June 21, 2017. REUTERS/Ammar Awad