General view of Chilean Calbuco volcano from Puerto Montt, located at 1000 km southern Santiago de Chile, Chile, 22 April 2015. Due to the eruption of the volcano with a smoke column 20 km high, authorities declared a red alert and ordered the evacuation of around 1500 inhabitants of Ensenada, Alerce, Colonia Río Sur and Correntoso towns. (Photo by Alex Vidal Brecas/EPA)

A photographer could bear-ly believe his eyes when a bear started waving at him. The friendly animal wandered to the front of his enclosure before sitting back in full view of zoo guests. He then lifts his powerful paw and excitedly waves in an almost human-like way at his new audience. The hilarious encounter was captured by keen photographer Andrey Slepnev, 31, while on a trip to Madrid Zoo, Spain on March 24, 2016. (Photo by Andrey Slepnev/Caters News)

A general view shows the Krasnoyarsk hydro-electric power station on the Yenisei River near the Siberian city of Krasnoyarsk, Russia, January 13, 2016. The power plant, owned by EuroSibEnergo company, part of En+ Group, with a generating capacity of 6,000 megawatt (MW), has a ferro-concrete dam 124-metres high and 1065-metres long and is the second largest Russian hydroelectric power station. About 85% of the energy generated is intended for the Rusal Krasnoyarsk aluminium smelter, according to representatives of the power station. (Photo by Ilya Naymushin/Reuters)

These incredible pictures look like a bird's-eye view of a faraway alien planet – but they're actually hot springs. The amazing snaps are up-close shots of Iceland's hot springs, and the point-blank pictures produce a breathtaking array of colors and effects. Here: The amazing snaps are up-close shots of Icelandic hot springs. (Photo by Johann Vilhjalmsson/Caters News)

A hiker admires the view as Mt. Etna, Europe's largest active volcano, erupts in the background, in the Bove Valley of Etna Park, on the eastern slope of Mt. Etna, in Sicily, southern Italy, Sunday, July 4, 2021. Since Feb. 16, 2021, Mt. Etna has begun a series of eruptive episodes. (Photo by Salvatore Allegra/AP Photo)

A picture taken on August 25, 2021 shows a view of the Aletsch Glacier. After hiking for hours across the mountain and a vast expanse of white, Swiss glaciologist Matthias Huss crouches down near the middle of the massive glacier and checks the measurements. Analysis of the data gathered from Aletsch, the largest glacier in the Alps, paints a dire picture of the toll that climate change is taking on the behemoth. (Photo by Fabrice Coffrini/AFP Photo)

Visitors view Patricia Piccinini's “The Embrace” artwork during the “You Know Who” exhibition at the Abdulmecit Efendi mansion in Istanbul, Turkey, 27 September 2022. The exhibition, which by the organizers is described as questioning “the representation of the unknown in contemporary art, based on the symbolic world of the supernatural and unknown in the Byzantine period”, is shown from 20 September until 11 December 2022. (Photo by Erdem Sahin/EPA/EFE/Rex Features/Shutterstock)

People visit the Antelope Valley California Poppy Reserve in Lancaster, California, to view the flowers blooming on April 6, 2023. California’s biologically diverse landscapes are home to more than 7,000 species of native plants, and the California Poppy, also known as golden poppy, a flowering plant native to the United States and Mexico became the official state flower in 1903. (Photo by Frederic J. Brown/AFP Photo)