A guest dressed as a zombie attends the Middle East Film & Comic Con (MEFCC) in Gulf emirate of Dubai, United Arab Emirates, 11 April 2019. The event runs until 13 April 2019. (Photo by Ali Haider/EPA/EFE)

A man helps a woman through a flooded neighbourhood in the aftermath of Cyclone Kenneth, in Pemba, Mozambique, April 28, 2019. (Photo by Mike Hutchings/Reuters)

Ahmad Sayed Rahman, a five-year-old Afghan boy who lost his right leg when he was hit by a bullet in the crossfire of a battle, dances with his prosthetic leg at the International Committee of the Red Cross (ICRC) hospital for war victims and the disabled, in Kabul on May 7, 2019. (Photo by Wakil Kohsar/AFP Photo)

Iranian women sit in a bus in the capital Tehran on June 25, 2019. Iran's President Hassan Rouhani said today that new US sanctions against senior Iranian officials including top diplomat Mohammad Javad Zarif showed Washington is “lying” about an offer to negotiate. (Photo by Atta Kenare/AFP Photo)

Lukas Irmler balances on a 800 meter long highline 200 meters above Segnesboden, on Friday, June 28, 2019, in Flims, Switzerland. The highline is Switzerland's longest and will be set up untill Sunday in the Sardona World Heritage Region. (Photo by Gian Ehrenzeller/Keystone via AP Photo)

Linda Evangelista, Naomi Campbell, Polly Mellon, and Christy Turlington, The Fashion Group International's 6th Annual “Night of 100 Stars” at the The Plaza Hotel in New York City, New York on October 29, 1989. (Photo by Ron Galella/WireImage)

Palestinian men perform fire breathing on the beach as an entertainment for children during the summer vacation in Gaza City on August 1, 2019. (Photo by Mohammed Abed/AFP Photo)

Members of the Turkana community work unblocking an irrigation canal to provide water to their sorghum crops in an arid dry area in Nanyee, near Lodwar, Turkana County, Kenya, on October 1, 2019. Turkana is a vast, dry area in the north-west of Kenya that is on the frontline of climate change. With regular searing temperatures the Turkana people are suffering from recurring and prolonged droughts. (Photo by Luis Tato/AFP Photo)