The adventurous explorers have snapped themselves in shark-infested waters, at the side of an active volcano, atop a Hong Kong skyscraper surrounded by toxic smog, and even perched on the top of iconic Rio statue of Christ the Redeemer. Here: Ervin Punkar using a selfie stick to take a photo from the very top of the 600ft TV tower in Tartu, Estonia. (Photo by Ervin Punkar/Caters News Agency)

Revellers in fancy dress enjoy the atmosphere during the British Fancy Dress Day on November 12, 2015 in Benidorm, Spain. The British Fancy Dress Day is one of the biggest fancy dress parties in Europe and is held the day after the Benidorm fiestas in November. The tradition started over 20 years ago when Manolo from Sinatras Club offered a free drink to anyone who dress up. Nowadays around 30,000 people, mostly British Expats living in Spain and tourists visiting the Costa Blanca resorts, attends, attend the event. (Photo by David Ramos/Getty Images)

Taiwanese-US artist Chin Chih Yang poses for a photograph with 30,000 aluminum cans after his performance called “Kill Me or Change” in Taipei, Taiwan, 23 April 2016. “Kill Me or Change!” is a performance piece that aims to raise awareness of the benefits of recycling and, encourage people to recycle to conserve resources. (Photo by Ritchie B. Tongo/EPA)

Soldiers of People's Liberation Army (PLA) Lanzhou Military Region jump through a burning obstacle during a training session at a military base in Tianshui, Gansu province, China, January 6, 2016. (Photo by Reuters/Stringer)

The first four finalists are selected during the 66th Miss Universe pageant at Planet Hollywood hotel-casino in Las Vegas, Nevada on November 26, 2017. (Photo by Steve Marcus/Reuters)

The British Breitling Wingwalkers, Danielle Hughes and Emily Guilding, soar above the Palm Jumeirah in Dubai at 1,500 feet (460 meters) in excess of 100mp/h, ahead of their Dubai debut performance at the 2014 UIM Skydive Dubai XCAT World Powerboating Series, on Saturday, 13th December 2014. The British team is the only aerobatic formation display team who employ full time wingwalkers and fly their two Breitling-liveried 1930's Boeing Stearman bi-planes at Air Shows and major sporting events around the world. (Photo by Katsuhiko Tokunaga/Breitling via AP Images)

A photo taken on November 17, 2021 shows two glass recycling containers transformed as part of the new GAU project (Gallerie Urbane di Città Ideale, or Urban Galleries of the Ideal City), promoted by the cultural association Progetto Goldstein, in the Circonvallazione cornelia street of Rome. The project is transforming 34 containers for the separate collection of glass into artists' canvases with a special tribute to poet Dante and his Divine Comedy. (Photo by Tiziana Fabi/AFP Photo)

Rabbits are seen in a cage, which is placed by authority as a test of the living conditions near the site of last week's blasts at Binhai new district in Tianjin, China, August 19, 2015. According to local media, the animals were alive after being placed near the blasts site for two hours. Four new fires have broken out at the site where two huge blasts last week killed 116 people, Chinese state media reported Friday soon after officials said safety hazards were found at almost 70 percent of firms handling dangerous chemicals in Beijing. (Photo by Reuters/Stringer)