Palestinians inspect a destroyed building after an Israeli airstrike in the southern Gaza Strip city of Khan Younis, on May 19, 2021. (Photo: Xinhua)

Palestinians inspect a destroyed building after an Israeli airstrike in the southern Gaza Strip city of Khan Younis, on May 19, 2021. (Photo: Xinhua)

Photo taken on May 19, 2021 shows a destroyed building after an Israeli airstrike in the southern Gaza Strip city of Khan Younis. (Photo: Xinhua)

Photo taken on May 19, 2021 shows explosions following an Israeli airstrike in the southern Gaza Strip city of Khan Younis, on May 19, 2021. (Photo: Xinhua)

A Palestinian inspects a destroyed building after an Israeli airstrike in the southern Gaza Strip city of Khan Younis, on May 19, 2021. (Photo: Xinhua)

Palestinians inspect a destroyed building after an Israeli airstrike in the southern Gaza Strip city of Khan Younis, on May 19, 2021. (Photo: Xinhua)

A Palestinian cleans in front of a destroyed building after an Israeli airstrike in the southern Gaza Strip city of Khan Younis, on May 19, 2021. (Photo: Xinhua)

Palestinians run for cover following an Israeli airstrike in the southern Gaza Strip city of Khan Younis, on May 19, 2021. (Photo: Xinhua)