Visitors take photos of the fluorescent sea in the waters of Paishi Village, Dalian City, Liaoning Province, China, May 24, 2020, from the night of May 24 to the early morning of May 25, 2020. The fluorescent sea in dalian is caused by noctilucent algae in the sea water. (Photo by Costfoto/Barcroft Media via Getty Images)

A devotee of the Jor Soo Gong Naka shrine with skewers pierced through her cheeks takes part in a procession during the annual Vegetarian Festival in Phuket on September 27, 2022. The festival, back after two years of hiatus because of the Covid-19 pandemic, features religious devotees who slash themselves with swords, pierce their cheeks with sharp objects and commit other painful acts to purify themselves, taking on the sins of the community. (Photo by Manan Vatsyayana/AFP Photo)

Women cover their heads with pans as they walk in a light rain brought by Hurricane Matthew in Port-au-Prince, Haiti, Tuesday, October 4, 2016. Matthew slammed into Haiti's southwestern tip with howling, 145 mph winds Tuesday, tearing off roofs in the poor and largely rural area, uprooting trees and leaving rivers bloated and choked with debris. (Photo by Dieu Nalio Chery/AP Photo)

A couple walks across the Francis Scott Key Bridge as the setting sun lights up the clouds in Washington, Friday, October 30, 2020. (Photo by J. David Ake/AP Photo)

Yak near Yamdrok lake, Tibet. It is a long-haired bovinae found throughout the Himalayan region of south Central Asia, the Tibetan Plateau and as far north as Mongolia and Russia. The Tibetan economy is dominated by subsistence agriculture. Due to limited arable land, the primary occupation of the Tibetan Plateau is raising livestock, such as sheep, cattle, goats, camels, yaks, dzo, and horses. The Tibetan yak is an integral part of Tibetan life. (Photo by Dennis Jarvis)

TVs display a reaction of Japan's Uta Abe, the gold medallist of the judo women's -52kg during the Tokyo 2020 Olympic Games, to celebrate the victory of her brother Hifumi Abe as he wins the judo men's -66kg final at an electronics retail shop in Tokyo on July 25, 2021. (Photo by Yasuyoshi Chiba/AFP Photo)

A diver swims near sculptures during the inauguration of the underwater museum in Ayia Napa, Cyprus, 01 August 2021. At the new Ayia Napa Underwater Sculpture Museum (MUSAN), located in the Pernera area of Ayia Napa, visitors, both swimmers with mask and flippers and divers, will be able to tour around an underwater forest, the first of its kind in the world. (Photo by Jason Decaires Taylor/EPA/EFE)

Foreign tourists who visited the “Boryeong Mud Festival” venue in Boryeong-si, Chungcheongnam-do on the July 19th, 2024 are having fun rolling around in a mud bath. The 27th Boryeong Mud Festival this year will be held until the 4th of next month. Last year, more than 1.6 million tourists visited the festival. (Phoot by Shin Hyeon-jong)