This picture taken on November 11, 2016 shows participants releasing a hot- air balloon during the Tazaungdaing Lighting Festival at Taunggyi in Myanmar' s northeastern Shan State. The skies of central Myanmar were set ablaze this week with the beginning of the Taunggyi fire balloon festival, one of the most beautiful and dangerous celebrations in Asia. Brightly coloured balloons with hundreds of homemade fireworks woven into their frames are sent soaring into the night sky, showering down cascades of sparks onto adoring crowds. (Photo by Ye Aung Thu/AFP Photo)

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)

This photo taken on June 19, 2017 shows Indian yoga teacher Mahesh Yogiji attempting a world record for the longest yoga session in Ahmedabad, ahead of International Yoga Day on June 21. According to Guiness World Records, the longest yoga marathon undertaken by a man lasted 69 hours and was achieved by V Gunasekaran in Tamil Nadu in June 2016. (Photo by Sam Panthaky/AFP Photo)

Chinese soldiers leave after Chinese President Xi Jinping inspected troops of People's Liberation Army (PLA) Hong Kong Garrison at the Shek Kong Barracks in Hong Kong, Friday, June 30, 2017. Xi landed in Hong Kong Thursday to mark the 20th anniversary of Beijing taking control of the former British colony, accompanied by a formidable layer of security as authorities showed little patience for pro-democracy protests. (Photo by Kin Cheung/AP Photo)

World's Greatest Swimming Pools: Four Seasons, Serengeti Pool, Tanzania. A show of elephants, buffalo and baboons awaits thanks to an active watering hole below the free-form infinity pool at this plush hideaway inside Serengeti National Park. Bonus: Because of infrared technology at the hole, guests can be notified on their bedroom TV when animals are approaching. When you've got word of wildlife on the horizon, catch them from your private terrace – or head back to the pool. (From $1,650). (Photo by Four Seasons)

Models kiss the back of another model, with a message on her back, during the grand finale of Lotus Make-up India Fashion Week based on “Rainbow” theme, an emblem for the LGBTQ community, in New Delhi, India, Sunday, October 14, 2018. According to Fashion Design Council of India, the “Rainbow” show, wherein 40 designers showcased their creations, was a tribute to mark the historic judgement by the Supreme Court of India which struck down a colonial-era law that made homosexual acts punishable by up to 10 years in prison. (Photo by Altaf Qadri/AP Photo)

Steampunk enthusiasts attend the sixth annual Haworth Steampunk Weekend in Haworth, northern England on November 25, 2018. The three-day alternative lifestyle festival features: music, dancers, entertainers, burlesque performers, vintage vehicles, a fashion show and a masquerade ball. Steampunk is a subgenre of science fiction or science fantasy that incorporates technology and aesthetic designs inspired by 19th-century industrial steam-powered machinery. (Photo by Oli Scarff/AFP Photo)

Hot air balloons are displayed during an exhibition, in Caracas, Venezuela, 09 December 2022. The Government of Venezuela inaugurated an international transport exhibition to attract investment for a sector that has almost been paralyzed for the past five years but has begun to show signs of recovery this year. Venezuela has one of the most obsolete vehicle fleets in Latin America.. (Photo by Miguel Gutierrez/EPA/EFE)