Soviet Army soldiers sit on their tanks in front of the Czechoslovak Radio station building in central Prague during the first day of Soviet-led invasion to then Czechoslovakia on August 21, 1968. (Photo by Libor Hajsky/Reuters)

“The Sunsetter”. An EF-4 tornado rips through the open space of farmland near Rozel, Kansas. This tornado moves slowly but powerful towards the setting sun an gets its beautiful color right before sunset. Storm Chasers are spotting on the left side. Photo location: Rozel, Kansas. (Photo and caption by Dennis Oswald/National Geographic Photo Contest)

ATTENTION! All pictures are presented in high resolution. To see Hi-Res images – just TWICE click on any picture. In other words, click small picture – opens the BIG picture. Click BIG picture – opens VERY BIG picture.

Labourers pour molten iron into a container at a foundry in Xiangfan, Hubei province in this July 2, 2010 file photo. Iron ore is enjoying its biggest rally in years, outpacing copper and oil so far in 2016, but still weak forward prices show it may be tough to stretch the bullish outlook. Improving steel prices in top market China are helping fuel iron ore's climb as producers gear up for a seasonal uptick in demand. Yet there is no shortage of doubters who see gains in the bulk commodity as fleeting given a large glut and challenges for China's economy. (Photo by Reuters/Stringer)

Ghoulish Brits took the streets on on Saturday, October 27, 2018 with fake blood as they celebrated Halloween a few days early. It's all fun and games on the streets of Blackpool, England durind Halloween night on Saturday, October 27, 2018. (Photo by NB Press LTD)

Tourists take photographs as a wild sika deer eats a bag on June 6, 2019 in Nara, Japan. Nara's free-roaming deer have become a huge attraction for tourists. However, an autopsy on a deer that was recently found dead near one of the city's famous temples discovered 3.2kg of plastic in its stomach and caused concern at the effect of tourism as Japan struggles to cope with a huge increase in domestic and international tourists. (Photo by Carl Court/Getty Images)

Members of the Knights Guard clean the ice during the Vegas Golden Knights' game against the Anaheim Ducks at T-Mobile Arena on January 14, 2021 in Las Vegas, Nevada. The Golden Knights defeated the Ducks 5-2. (Photo by Ethan Miller/Getty images/Profimedia)

A horse rolls in mud in the Romani camp in Velykyi Bereznyi urban-type settlement, Zakarpattia Region, western Ukraine on February 28, 2021. (Photo by Ukrinform/Rex Features/Shutterstock)

Lourdes Maria Ciccone Leon walks the runway for Gypsy Sport show during New York Fashion Week on September 12, 2018 in New York City. (Photo by Splash News and Pictures)