“A dirty thunderstorm (also, Volcanic lightning) is a weather phenomenon that occurs when lightning is produced in a volcanic plume. Dirty thunderstorms have been reported in Chile above the Chaiten Volcano, above Alaska's Mount Augustine volcano, and Iceland's Eyjafjallajökull volcano”.

Photo: A cloud of ash pours from Puyehue volcano in southern Chile, at sunset on June 5, 2011. (Claudio Santana/AFP)

In this November 30, 2017 photo, Douglas scoops up mud from the bottom of the polluted Guaire River, in search of gold and anything valuable he can sell, in Caracas, Venezuela. Some stretches of the river smell of sewer while others emit a toxic odor of fuel, a stench that stays in ones nose for hours after leaving the water. (Photo by Ariana Cubillos/AP Photo)

Johnson Cheung-shing Tsang is a Hong Kong sculptor specializing in ceramics, stainless steel sculpture and public artworks. Tsang’s works mostly employ realist sculptural techniques with a surrealist imagination, integrating the two elements, human beings and objects, into creative themes.

Youths kick a gay rights activist during a protest against a proposed new law termed by the State Duma, the lower house of Parliament, as “against advocating the rejection of traditional family values” in central Moscow June 11, 2013. (Photo by Maxim Shemetov/Reuters)

During work hours on one of the busiest streets of Baku, Azerbaijan’s capital, parking attendant Rafael Veyisov wipes off the dust on cars with his fingers, slowly contouring the shapes of tall buildings and flying birds. In his artwork, he generally illustrates real towns to educate people about other countries, but sometimes he also lets his imagination run wild and produces impressive original works. Surprised by his talent, the car owners who regularly leave their vehicles in Rafael’s care, often leave them dirty just to give him an excuse to play around, and take photos of his beautiful artworks.

A marcher dressed as Marilyn Monroe during the annual Gay Pride march in London, July 1994. (Photo by Steve Eason/Hulton Archive/Getty Images)

The Golden Gai is a sliver of old Tokyo in a modern metropolis filled with endless gleaming buildings. It's a one-of-a-kind tourist attraction, for sure. But it's also a place for a few drinks and friendly chatter among exhausted workers known as “salarymen”. Here: A man strolls through a narrow alleyway clustered with tiny bars and restaurants at the Golden Gai in the Shinjuku district of Tokyo, July 17, 2019. (Photo by Jae C. Hong/AP Photo)

People cool off at the water park during the “Circuit” the international gay festival in Vilassar de Dalt, Spain, Tuesday, August 9, 2016. The special international event has attracted many thousands and the gay festival “Circuit” runs until August 14. (Photo by Manu Fernandez/AP Photo)