Revellers take part in the Children's Day parade of the Notting Hill Carnival in London, Britain, 28 August 2016. The street festival celebrates this year its 52nd anniversary and more than a million people are expected to attend on 28 and 29 August. (Photo by Will Oliver/EPA)

Tube passengers take a selfie next to a London underground roundel designed for the launching of the Night Tubes on display at Oxford Circus underground station in London, Britain, 19 August 2016. The long delayed Night Tubes service launched on 19 August. The 24-hour service will operate on Fridays and Saturdays. (Photo by Hannah Mckay/EPA)

British singer Rita Ora arrives for the Echo Award at Messe Berlin on April 12, 2018 in Berlin, Germany. (Photo by Andreas Rentz/Getty Images)

American actress, model, singer and activist Paris Jackson attends Comic-Con in San Diego, California, USA on July 21, 2018. (Photo by @parisjackson/Instagram)

A woman sits in a train at a subway station in Pyongyang, North Korea on September 11, 2018. (Photo by Danish Siddiqui/Reuters)

A transgender woman waits backstage to perform during an event to raise funds for their community in Mumbai, India, September 20, 2018. (Photo by Francis Mascarenhas/Reuters)

A Fulani woman fixes her head scalf on the street of Dapchi, Yobe state, Nigeria on February 27, 2018. (Photo by Afolabi Sotunde/Reuters)

American model Isabella Khair Hadid is seen on March 13, 2018 in Los Angeles, California. (Photo by The Mega Agency)