British theoretical physicist Stephen Hawking, Cambridge University Professor and Fellow, circa 1985. Stephen Hawking, the brightest star in the firmament of science, whose insights shaped modern cosmology and inspired global audiences in the millions, has died aged 76. (Photo by Gemma Levine/Getty Images)

Ostriches wear masks as they are transported by a truck for relocation in Zhengzhou, Henan Province, China, August 8, 2016. (Photo by Reuters/Stringer)

In this March 30, 2019 photo, Andrea Dovizioso of Italy falls from his bike during a Moto GP free practice run at the circuit in Termas de Rio Hondo, Argentina. Despite the fall Dovizioso raced in the third pole position on Sunday and finished in third place. (Photo by Nicolas Aguilera/AP Photo)

In this Wednesday, April 3, 2019, photo, children play in the water on a beach as a mosque collapsed during the Sept. 28, 2018, earthquake is seen in the background in Palu, Central Sulawesi, Indonesia. The earthquake spawned a large localized tsunami that wiped out coastal areas, while liquefaction caused by the shaking turned entire neighborhoods into rivers of sludge. The disaster killed thousands of people, making it the world’s deadliest seismic event in 2018. (Photo by Tatan Syuflana/AP Photo)

Sudanese fishermen check their boats and nets before they row through the waters of Nile River near Jebel Aulia, Sudan, May 3, 2019. (Photo by Umit Bektas/Reuters)

A visitor and autumn foliage are reflected in the lake at Stourhead gardens in Wiltshire, Britain, November 2, 2018. (Photo by Toby Melville/Reuters)

Revelers pose before the start of the Los Angeles Pride parade on June 9, 2019 in West Hollywood, California. The 49th annual parade, celebrating LGBTQ identity, drew thousands to the streets of West Hollywood. (Photo by Mario Tama/Getty Images)

Models present creations during the Pam Hogg catwalk show during London Fashion Week in London, Britain, September 13, 2019. (Photo by Henry Nicholls/Reuters)