Competitors gather backstage as they prepare to take part in the All Ireland Irish Dancing Championships on November 2, 2016 in Belfast, Northern Ireland. The championships take place at the Waterfront Hall over the course of six days with winners qualifying for the World Irish Dancing Finals which will take place in Dublin next year. (Photo by Charles McQuillan/Getty Images)

The NASA Extreme Environment Mission Operations (NEEMO) 21 mission began on July 21 as an international crew of aquanauts splashed down to the undersea Aquarius Reef Base, located 62 feet below the surface of the Atlantic Ocean in the Florida Keys National Marine Sanctuary. The NEEMO 21 crew will perform research both inside and outside the habitat during a 16-day simulated space mission. During simulated spacewalks carried out underwater, they will evaluate tools and mission operation techniques that could be used in future space missions, including journeys to Mars. (Photo by Karl Shreeves/NASA)

An officer of the Afghan border police throws an assault rifle to a policeman participating in a military exercise on the outskirts of Herat, Afghanistan, Monday, September 7, 2015. Twelve female and seventy male border police personnel participated in the military exercise near the border with Iran in Herat province. (Photo by Hoshang Hashimi/AP Photo)

Children with painted faces in the art of the bahurupi tradition in Bardhaman, India on April 24, 2021. Impersonators family where their generations are engaged in making face painting and can easily metamorphose into different characters during a performance, as per different Traditional & Tribal myth which is the main earning source for their family. (Photo by Avishek Das/SOPA Images/Rex Features/Shutterstock)

Students protest in red underwear on the Plein in The Hague, The Netherlands, 02 June 2021. The action is part of the #NietMijnSchuld campaign by Dutch union FNV Young & United and the National Student Union LSVb, which are campaigning for a debt-free basic grant. (Photo by Bart Maat/EPA/EFE)

Professional dog walker Nobuaki Moribe leads his clients' pets across an intersection in Tokyo on Friday, May 28, 2021. (Photo by Hiro Komae/AP Photo)

Members of Nepal Army wearing personal protective equipment (PPE) carry the body of a person, who died from the coronavirus disease (COVID-19), in the rain at the crematorium, in Kathmandu, Nepal on May 11, 2021. (Photo by Navesh Chitrakar/Reuters)

Entertainers perform during the opening ceremony of the Tokyo 2020 Paralympic Games at the Olympic Stadium on August 24, 2021 in Tokyo, Japan. (Photo by Lisi Niesner/Reuters)