A child with his body and face painted prepares to attend the sacred Ngerebeg ritual at the Tegallalang village in Gianyar, Bali, Indonesia, 03 April 2024. The sacred Ngerebeg ritual takes place every six months and it is mainly aimed at driving all evil spirits out of the villages. During the ritual, the participants paint their bodies in various colors and patterns to join the procession across the village. (Photo by Made Nagi/EPA/EFE)

An aerial view of Syrian people flocked to the streets in the capital Damascus to celebrate US President Donald Trump's decision to lift sanctions in Damascus, Syria on May 13, 2025. (Photo by Amadeusz Mikolaj Swierk/Anadolu via Getty Images)

A hot air balloon in the likeness of Yoda from Star Wars prepares for liftoff at the 21st Philippine International Hot Air Balloon Festival at the former Clark US Air Force base in Pampanga Province, Philippines on February 9, 2017. (Photo by Xinhua News Agency/Rex Features/Shutterstock)

Vietnam’s Son Doong cave, the largest in the world, could hold a 40-story skyscraper inside. The pristine ecosystem has its own river and jungle. Despite its size, Son Doong wasn’t discovered until 1991. It was lost again for nearly two decades and was fully explored for the first time in 2009. (Photo by Jason Speth/HuffPost)

The R.C. Bush Pilots club was started in 1981, for those who enjoy flying radio control (RC) model planes. It’s one of the largest clubs in Florida, and calls Phil Wherry Field in West Palm Beach home. Photo: Professional pilot and remote control plane enthusiast Bob Rembert prepares to start the propeller of a 1/4 scale Edge 540 remote control, gas powered plane. (Photo by Bill Ingram/The Palm Beach Post)

Visitors dressed in superhero costumes attend the Paris Comics Expo at the Parc Floral in Paris, France, April 15, 2016. (Photo by Charles Platiau/Reuters)

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)

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