A girl applies henna patterns on her hands while waiting for customers, ahead of Eid al-Fitr celebrations, in Karachi, Pakistan on April 9, 2024. (Photo by Akhtar Soomro/Reuters)

Coral grows in a sculpture at the MUSZIF underwater museum in Isla Fuerte, Bolivar department, Colombia, on May 22, 2024. In the Colombian Caribbean an underwater museum protects coral reefs threatened by tourism and climate change. (Photo by Luis Acosta/AFP Photo)

Sri Lankan military personnel march during the country's 66th Independence Day celebrations in the central town of Kegalle, about 40 kms from the capital Colombo on February 4, 2014. Sri Lanka cemmemorates its independence from British rule on February 4, 1948. (Photo by Ishara S. Kodikara/AFP Photo)

A couple watch the sunrise in front of the Mediterranean Sea in Barcelona, Spain, Sunday, January 24, 2021. (Photo by Emilio Morenatti/AP Photo)

Children run next to a paraglider wearing Santa Claus costume landing to deliver gifts to refugee children from Karabakh region, near the village of Akunk, outside Yerevan, on December 26, 2023, as part of “ParaSanta”, an event organised by the Armenian Paragliding Club. (Photo by Karen Minasyan/AFP Photo)

Yi Arias, a CORE crew member in an upbeat mood at COVID-19 mass-vaccination of healthcare workers taking place at Dodger Stadium in Los Angeles, California, U.S., January 15, 2021 (Photo by Irfan Khan/Pool via Reuters)

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

Nigel Cox and Kevin Jay paint with light using fibre optic whips on the beach at Clacton-on-Sea in Essex, United Kingdom on July 25, 2023 with a superhero fighting theme. (Photo by Kevin Jay/Picture Exclusive)