Spot-billed pelican interact on the banks of an artificial lake in Colombo on September 28, 2021. (Photo by Ishara S. Kodikara/AFP Photo)

Burning candles illuminate graves as a Bangladeshi man observes a contemplative moment on All Souls' Day at the Dhaka Christian Cemetery at Wari in Dhaka, Bangladesh, 02 November 2021. People on All Saints Day and All Souls Day pay respect to deceased relatives and loved ones by placing flowers on their tombs or maintaining their graves and lighting candles. (Photo by Monirul Alam/EPA/EFE)

A fisherman struggles to push a wheelbarrow full of sharks that have just been dropped off a pirogue on the beach of Songolo, the fishing district of Pointe-Noire in the Republic of the Congo in November 2021. Many artisanal fishing crews on the Congolese coast specialise in shark fishing (Photo by Marco Simoncelli/Al Jazeera)

Iraqi teenagers swim in waste water from the nearby Tuweitha nuclear facility near Baghdad, Iraq on May 28, 2003. Iraqis are consuming contaminated water unaware of the dangerous pollutants that can cause severe ill health. (Photo by Damir Sagolj/Reuters)

Participants dance during the Water Gun Festival on July 07, 2019 in Seoul, South Korea. Thousands of people enjoyed the annual festival which is being held over the weekend during the scorching heat summer in Korea. (Photo by Chung Sung-Jun/Getty Images)

A boy jumps from a swing during sunset in Valras-Plage, southern France December 29, 2014. (Photo by Yves Herman/Reuters)

Tomasz Alen Kopera, Polish painter, was born in Kozuchow, Poland. He attended the University of Technology in Wroclaw, where he gained a degree in Engineering.

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