Tank crew standing in front of M-4 tank, Ft. Knox, Kentucky, June, 1942. (Alfred Palmer/OWI/LOC)

A visiter is attracted by the chairs covered with solar panels at the factory of Yingli Green Energy Holding Company, also known as Yingli Solar, on June 20, 2011 in Baoding city of Hebei Province, China. According to a report by the International Energy Agency (IEA), China overtook America as the world' s largest energy consumer in 2010. New energy industries are becoming even more important than in the past. (Photo by Feng Li/Getty Images)

This photo provided by NASA astronaut Christina Koch shows the launch of a Russian Soyuz rocket, as seen from the International Space Station on Wednesday, September 25, 2019. (Photo by Christina Koch/NASA via AP Photo)

Girls dressed in traditional costumes run as men throw water on them as part of Easter celebrations during a presentation to the media in Mezokovesd, Hungary, April 13, 2017. (Photo by Laszlo Balogh/Reuters)

A student participates in celebrations ahead of the Janmashtami festival, which marks the birth anniversary of Lord Krishna in Mumbai, India, August 23, 2016. (Photo by Danish Siddiqui/Reuters)

Film actress Audrey Hepburn (1929–1993) on a film set with her pet poodle, circa 1960. (Photo by Hulton Archive/Getty Images)

“The popularity of the Internet in China has driven the explosive growth of profitable Web companies and made fortunes for some Chinese entrepreneurs despite government controls on what the public can see online. The number of mainland Internet users rose to 513 million in December, up 12 percent from a year earlier, the government-sanctioned China Internet Network Information Center said”. – AP Business Writer

Photo: Shi Yongxin, abbot of the Shaolin Temple, works on the computer April 8, 2005 in Dengfeng, Henan Province, China. (Photo by Cancan Chu/Getty Images)

Elio Angulo (bottom C) lies inside a cardboard coffin next to Alejandro Blanchard as they introduce their product to potential customers at a mortuary in Valencia, in the state of Carabobo, Venezuela August 25, 2016. When Venezuelan entrepreneurs Alejandro Blanchard and Elio Angulo decided to create cardboard coffins, they were looking for an ecological selling point to compete against classic wood and brass caskets. Three years on, with the oil-rich country mired in deep economic crisis, their “bio-coffins” are becoming a viable option because of high prices for wooden coffins and shortages of brass ones. (Photo by Marco Bello/Reuters)