A Palestinian medic wears a mask to protect herself from inhaling tear gas fired by Israeli troops during a protest at the Israel-Gaza border in the southern Gaza Strip April 9, 2018.
A Palestinian boy wears a mask with an onion to protect himself from inhaling tear gas fired by Israeli troops during a protest at the Israel-Gaza border in the southern Gaza Strip April 10, 2018. REUTERS/Ibraheem Abu Mustafa
Palestinian woman Jehad Abu Mehsen covers her nose with a piece of plastic and an onion to protect herself from inhaling tear gas fired by Israeli troops during a protest at the Israel-Gaza border in the southern Gaza Strip April 6, 2018.
A Palestinian girl wears a mask to protect herself from inhaling tear gas fired by Israeli troops during a protest at the Israel-Gaza border in the southern Gaza Strip April 9, 2018.
A Palestinian demonstrator wears a mask with a tire during a protest at the Israel-Gaza border in the southern Gaza Strip April 6, 2018.
A Palestinian demonstrator wearing a mask covers his nose with a plastic cup filled with perfume and cotton to protect himself from inhaling tear gas fired by Israeli troops during a protest at the Israel-Gaza border in the southern Gaza Strip April 10, 2018.
A Palestinian boy covers his nose with part of a pomelo to protect himself from inhaling tear gas fired by Israeli troops during a protest at the Israel-Gaza border in the southern Gaza Strip April 9, 2018.
A Palestinian man covers his nose with part of a bottle and an onion to protect himself from inhaling tear gas fired by Israeli troops during a protest at the Israel-Gaza border in the southern Gaza Strip April 6, 2018.
A Palestinian demonstrator shouts as he carries a tire with onions during clashes with Israeli troops at a protest at the Israel-Gaza border in the southern Gaza Strip April 6, 2018.
A Palestinian boy wears a mask to protect himself from inhaling tear gas fired by Israeli troops during a protest at the Israel-Gaza border in the southern Gaza Strip April 9, 2018.
Palestinian boy Mazen Al-Najar covers his face with a bottle with cotton and coal to protect himself from inhaling tear gas fired by Israeli troops during a protest at the Israel-Gaza border in the southern Gaza Strip April 6, 2018.
DIY gas masks a common sight in Gaza
As plumes of tear gas drift across the Israeli no-go zone inside Gaza's border fence, Palestinian protesters dart between them, relying on an array of homemade devices to keep out the fumes.