A woman wearing a protective mask is seen behind a girl dressed in a Plague Doctor Mask in Western-Ukrainian city of Lviv, Ukraine, 22 March 2020. Ukrainian Designer Anastasia Markovska sewed protective masks looking like Plague Doctor Masks, the traditional costume of Venice Carnival, for herself and her friends due to the ongoing pandemic of the COVID-19 disease caused by the SARS-CoV-2 coronavirus. In Ukraine had been 47 laboratory-confirmed cases of COVID-19, including three deaths and one recovery as Ukraine's Health Ministry announced. (Photo by Pavlo Palamarchuk/EPA/EFE)

The lightest material ever made has been produced by a team of scientists in China, a Chinese university announced.

A girl jumps over a campfire while celebrating Ivan Kupala Night, a traditional Slavic holiday not far from Kiev on July 6, 2013. During the celebration, originating in pagan times, people plait wreaths, jump over fires, and swim naked. (Photo by Sergei Supinsky/AFP Photo)

Miss Universe Zozibini Tunzi (C) waves at fans as she is driven through the streets of Johannesburg during her homecoming parade after being crowned in December 2019, Johannesburg, South Africa, 13 February 2020. Zozibini is the first black women to win the title. Miss Universe is an annual international beauty pageant that is run by the United States-based Miss Universe Organization. (Photo by Kim Ludbrook/EPA/EFE)

A boy fires blanks from a Kalashnikov rifle, during Maslenitsa celebrations, or Shrovetide, to say farewell to winter in Minsk, Belarus, Sunday, March 1, 2020. Maslenitsa is a traditional Russian and Belarusian holiday marking the end of winter that dates back to pagan times. (Photo by Sergei Grits/AP Photo)

A reveller from Unidos do Viradouro samba school performs during the first night of the Carnival parade at the Sambadrome in Rio de Janeiro, Brazil, April 23, 2022. (Photo by Amanda Perobelli/Reuters)

Miss Fantasy performs on the stage of The Nest club during the Vogue Nights Jozi Ball, an event dedicated to the gender-fluid culture in Marshalltown, Johannesburg on September 24, 2022. (Photo by Luca Sola/AFP Photo)

Race goers enjoying Grand National Day at the Randox Grand National Festival at Aintree, Liverpool, Britain, 09 April 2022. This year's Grand National is the 174th edition of the legendary annual horse race at the Aintree Racecourse in Liverpool. (Photo by Peter Powell/EPA/EFE)