A lemur inspects a camera at Tarsus Nature Park in Mersin, Turkey on July 25, 2021. The population of lemurs, one of the inhabitants of Tarsus Nature Park, increases with new births every year. Lemurs are among the most interesting species in the zoo. (Photo by Serkan Avci/Anadolu Agency via Getty Images)

The snow-capped Etna spews hot lava, near Catania, Sicily island, Italy, 26 November 2023. One of Europe's most active and tallest volcano has erupted again on 25 November 2023. (Photo by Dario Lo Scavo/EPA/EFE)

Polish photojournalist Arkadiusz Podniesiński ventures into the most devastated areas of Japan's Fukushima Exclusion Zone.

Most pet cats will become timid or defensive when outdoors, but not Millie – after being adopted by her mountain-climbing owner Craig Armstrong, Millie has become a feline hiking and mountain-climbing legend.

Seljalandsfoss waterfall, located in Iceland. Seljalandsfoss is one of the most famous waterfalls of Iceland. This waterfall of the river Seljalandsá drops 60 metres (200 ft) over the cliffs of the former coastline. It's possible to go behind the waterfall. (Photo by HotSpot Media)

Geof Kern is an internationally renown photographer based in Dallas. He stands among the most awarded American photographers.

Steve McCurry has been a one of the most iconic voices in contemporary photography for more than 30 years, with scores of magazine and book covers, over a dozen books, and countless exhibitions around the world to his name.

Vatnajökull (meaning Glacier of Rivers), also known as the Vatna Glacier, is the largest and most voluminous Icelandic glacier, and one of the largest in area in Europe. It is located in the south-east of the island, covering more than 8 percent of the country.