In this Friday, August. 17, 2018, photo, a North Korean waitress prepares to serve dinner to Chinese tourists at the Pegaebong hotel in Samjiyong in North Korea. Chinese businesspeople and tourists are once again flowing over the borders – several large tourist groups were in Samjiyon last week – and South Korean officials are seriously considering ways to help the North improve its roads and railways. (Photo by Ng Han Guan/AP Photo)

The Mayon volcano continues to erupt as the sun sets behind Legazpi city, Thursday, January 25, 2018 in Albay province, roughly 340 kilometers, (200 miles) southeast of Manila, Philippines. (Photo by Bullit Marquez/AP Photo)

A Fulani woman fixes her head scalf on the street of Dapchi, Yobe state, Nigeria on February 27, 2018. (Photo by Afolabi Sotunde/Reuters)

Mae Zelinsky, left, and Betty O'Beda test ammunition on a .30 caliber rifle at a Remington Arms plant on April 30, 1943. Many women took over jobs that were left vacant when men went overseas to fight in World War II. (Photo by AP Photo)

Polish police in riot gear detain protesters, angry over new restrictions aimed at fighting the coronavirus pandemic, in Warsaw, Poland, Saturday, October 24, 2020. The protesters included entrepreneurs, far-right politicians, football fans and vaccine opponents. The clashes come amid rising social tensions and as new restrictions just short of a full lockdown took effect Saturday. (Photo by Czarek Sokolowski/AP Photo)

A pack of wild smooth-coated otters, nicknamed the “Zouk family”, crosses Penang Road in Singapore on March 3, 2021, the World Wildlife Day. The “Zouks”, a well-known otter family in Singapore, started out from the Istana on Wednesday, and made a “royal” tour of various landmarks in Singapore. (Photo by Chine Nouvelle/SIPA Press/Rex Features/Shutterstock)

A model prepares backstage before during the Heaven Gaia collection show by Chinese designer Xiong Ying on day two of China Fashion Week A/W 2021/2022 at 751D.PARK on March 25, 2021 in Beijing, China. (Photo by Zhe Ji/Getty Images)

Ryann O'Toole after finishing her round on the 18th during day four of the Trust Golf Women's Scottish Open at Dumbarnie Links, St Andrews on Sunday, August 15, 2021. (Photo by Malcolm MacKenzie/PA Wire Press Association)