Vietnamese business students at Northampton University (L to R) Anh Nguyen, Phuong Nguyen, Tam Nguyen and Oanh Cao visit Hitchin Lavender farm in Arlesey, UK on July 9, 2017, to view and pick lavender. Currently in full bloom, the lavender attracts visitors from far and wide to this popular family run farm. (Photo by Stephen Chung/Alamy Live News)

A man interacts with his camel while posing for a picture at the Pushkar Camel Fair in Pushkar in the Indian state of Rajasthan state on November 12, 2021. (Photo by Himanshu Sharma/AFP Photo)

A cat sits on the empty Great Wall on February 23, 2021 in Beijing, China. Affected by the new coronavirus (COVID-19), the number of visitors to Mutianyu Great Wall in 2020 dropped by about 60%. (Photo by Lintao Zhang/Getty Images)

Bibi rides her bike on the Playa during the Burning Man 2015 “Carnival of Mirrors” arts and music festival in the Black Rock Desert of Nevada, August 31, 2015. Approximately 70,000 people from all over the world are gathering at the sold-out festival to spend a week in the remote desert to experience art, music and the unique community that develops. (Photo by Jim Urquhart/Reuters)

The 6th Siberian Tattoo Festival at Podzemka Loft Park in Novosibirsk, Russia on August 20, 2017. Tattoo lovers have been showing off their impressive inkings at annual conventions in LA and Russia this weekend. This year marks the sixth Siberian Tattoo Festival in Novosibirsk, Russia, while stateside tattoo fanatics have been celebrating all things body-art at the LA Tattoo Convention in Long Beach, California. (Photo by Kirill Kukhmar/TASS)

Photo taken on March 30, 2021 shows visitors enjoying pear flowers and orchid in full bloom at Santaishan Forest Park in Suqian, east China's Jiangsu Province. (Photo by Costfoto/Barcroft Media via Getty Images)

Aerial photo taken on April 20, 2018 shows the view of advection fog above Qingdao, a coastal city in east China' s Shandong Province. (Photo by Lu Hui/Xinhua News Agency/Eyevine)

A bull hits a reveller during the first running of the bulls of the San Fermin festival in Pamplona, Spain, July 7, 2018. Each day at 8am hundreds of people race with six bulls, charging along a winding, 848.6-metre (more than half a mile) course through narrow streets to the city's bull ring, where the animals are killed in a bullfight or corrida, during this festival dating back to medieval times and also featuring religious processions, folk dancing, concerts and round-the-clock drinking. (Photo by Vincent West/Reuters)