A woman instructs a boy on how to pose for pictures in front of a mural depicting Soviet pilot Valery Chkalov – who took a non-stop flight over the Arctic and landed in the US state of Washington in 1937 – at Chkalovskaya metro station in Moscow on August 14, 2019. (Photo by Yuri Kadobnov/AFP Photo)

In this Thursday, October 3, 2019 photo, a female black bear sleeps with its tongue out high up in a Ponderosa pine tree near Clark Fork School in the Rattlesnake neighborhood of Missoula, Mont. The bear's cub, not pictured, was snoozing on a nearby branch. (Photo by Tommy Martino/The Missoulian via AP Photo)

Actress Tiffany Haddish sits on top of two garbage cans after getting shoved down by passerbys with a scraped knee only to have Billy Crystal come to her rescue filming “Here Today” in Brooklyn, New York on October 28, 2019. (Photo by Christopher Peterson/Splash News and Pictures)

This picture taken on May 31, 2018 shows a villager walking between abandoned houses covered with overgrown vegetation in Houtouwan on Shengshan island, China' s eastern Zhejiang province. Houtouwan was a thriving fishing community of sturdy brick homes that climb up the steeply hilled island of Shenghshan, but is now abandoned, with entire houses completely overgrown as if vacuum- sealed in a lush layer of green. (Photo by Johannes Eisele/AFP Photo)

The social media star Demi Rose, 23, wows her fans and showed off her famous curves as she poses in a thong bikini and high heels for “I Saw It First” in Ibiza, Spain on Monday, June 4, 2018. (Photo by KP Pictures)

Model friends Bella Hadid, Kendall Jenner, Stella Maxwell and actress Kristen Stewart and are seen having dinner together in Milan, Italy on June 16, 2018. Bella and Kendall cheekily showed the camera middle finger while couple Stella and Kristen talked. (Photo by Splash News and Pictures)

English model Katie Price pictured going topless while on holiday with boyfriend Kris Boyson at Ammatara Pura Pool Villas resort in Thailand on July 13, 2018. The happy couple looked relaxed in matching yellow Bikini and shorts as they frolicked with each other by the pool as they enjoyed their first holiday together at exclusive resort in Thailand. (Photo by Backgrid UK)

Dead leaf or almost by Guilhem Duvot. Taken in Nován Stráž, Slovakia. Describe what is pictured? A dead leaf grasshopper. How does this image fit with the theme of the competition? The perfect camouflage – nature is amazing. I saw the grasshopper only because it jumped. (Photo by Guilhem Duvot/Royal Society of Biology)