A camel yawns as a tourist checks images on her camera following a ride on a camel safari alongside the Pacific Ocean on Lighthouse Beach, north of Sydney, December 4, 2014. For 25 years camel rides on this beach have given visitors to Australia's holiday coast a rare experience available only in a handful of locations in the country. Australia's long history with the “ships of the desert” goes back to the 1800s when they were imported from Afghanistan and India for use as transportation across Australia's vast deserts before being released into the wild following their replacement by motorised transport. (Photo by Jason Reed/Reuters)

Revelers jump on a rainbow painted crosswalk in Church Street, Toronto's LGBT neighbourhood, before “WorldPride”, a gay pride parade, in Toronto, June 29, 2014. Toronto is hosting WorldPride, a week-long event that celebrates the lesbian, gay, bisexual and transgender (LGBT) community. (Photo by Mark Blinch/Reuters)

An Iraqi military vehicle passes displaced Iraqi boys returning to their homes in West Mosul's Oreibi neighbourhood after government forces retook control of the area from the Islamic State (IS) group during the ongoing offensive against the jihadists on May 21, 2017. (Photo by Ahmad Al-Rubaye/AFP Photo)

A topless Femen activist jumps on the car carrying former IMF chief Dominique Strauss-Kahn (not seen) as he arrives for his trial in Lille, northern France, on February 10, 2015. Three topless women from the protest group Femen jumped on the car of Dominique Strauss-Kahn as the former IMF chief arrived to testify at his trial for “aggravated pimping”. With slogans scrawled on their half-naked bodies and hurling insults at the car, the three protesters were quickly rounded up by police as the car entered an underground parking area. (Photo by Denis Charlet/AFP Photo)

Waiters pose at their terrace of their restaurant rue de Buci in Paris on June 2, 2020, as cafes and restaurants reopen in France, while the country eases lockdown measures taken to curb the spread of the COVID-19 (the novel coronavirus). (Photo by Martin Bureau/AFP Photo)

A person walks through the Brooklyn Bridge during a snow storm, amid the coronavirus disease (COVID-19) pandemic, in New York City, New York, U.S., February 1, 2021. (Photo by Brendan McDermid/Reuters)

Brain-on-a-chip. Dazzling in green and magenta this image shows the nerve fibres (in green) produced by neural stem cells (in magenta) as they grow on a synthetic gel. Captured by a technique known as confocal microscopy, the image is part of research shedding light on how tinkering with the environment can affect the way in which nerve fibres grow. (Photo by Collin Edington and Iris Lee/Massachusetts Institute of Technology/Wellcome Images)

Alexandre Vinokourov of Kazakhstan from the T-Mobile Team is chased by eccentric german inventor Didi Senft dressed as the red devil during the stage 16 of the 92nd Tour de France between Mourenx and Pau on July 19, 2005, France. (Photo by Friedemann Vogel/Bongarts/Getty Images)