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English : Mud flow at Berca Mud Volcanoes, a geological and botanical reservation located close to Berca, Buzău County, Romania. The phenomenon is caused by gases that flow from 3,000 metres (9,800 ft) deep towards the surface, through the underground layers of clay and water. They push up underground salty water and mud, until they overflow through the mouths of the volcanoes, where the gas emerges as bubbles. The blur in the middle of the channel is caused by a wave of mud that passes approx. every 20 seconds.
English : Most summers, jewel-toned hues appear in the Black Sea. The turquoise swirls are not the brushstrokes of a painting; they indicate the presence of phytoplankton, which trace the flow of water currents and eddies.
English : The Temple of Garni (lit. "pagan temple of Garni") is a classicalHellenistic temple in Garni, Armenia. It is perhaps the best-known structure and symbol of pre-Christian Armenia and was probably built by king Tiridates I in the first century AD as a temple to the sun god Mihr. According to some scholars it was not a temple but a tomb and thus survived the universal destruction of pagan structures. It collapsed in a 1679 earthquake and reconstructed between 1969 and 1975.
English : Silhouetted against the Earth, Atlantis flies into the rising Sun in this animated photograph taken by an astronaut on the International Space Station on July 19, 2011. The image was taken by the Expedition 28 crew.
On July 20, the shuttle undocked from the station for the final time and began preparations to return home, thus concluding NASA’s 30-year space shuttle program.
English : The star cluster Pismis 24 lies in the core of the large emission nebulaNGC 6357 that extends one degree on the sky in the direction of the Scorpius constellation. Part of the nebula is ionised by the youngest (bluest) heavy stars in Pismis 24. The intense ultraviolet radiation from the blazing stars heats the gas surrounding the cluster and creates a bubble in NGC 6357. The presence of these surrounding gas clouds makes probing into the region even harder.
English : In 2016, we began a discussion around what Wikimedia will look like in 2030. The aim was to identify a common, strategic direction that would unite and inspire people across our movement. Our shared vision is of “a world in which every single human being can freely share in the sum of all knowledge.” Wikimedia Strategy draft direction was first published in August 2017.