The book “Elektroschutz in 132 Bildern” (Electrical Protection in 132 Pictures) was published in Vienna in the early 1900s by a Viennese physician named Stefan Jellinek (1878-1968, a founder of the Electro-Pathological Museum). The pictures are nice and direct and unambiguous; they teach, graphically, that the surest way to kill yourself with electricity is to form a complete path from source (usually the bright red arrow) to ground (the screened back, pink arrow). Arrowheads provide the path for current flow. (Photo by The Vienna Technical Museum)

In this October 16, 2014 photo, a man cleans his American classic car before going to work in Havana, Cuba. While the U.S. embargo that took effect in 1961 stopped the flow of new cars, and most parts, a few Cubans now manage to bring in replacement parts when friends or family visit from the U.S. (Photo by Franklin Reyes/AP Photo)

Photographer’s Pol Ubeda Hervas perspective in his “I’m not There” series, is going against the flow. While the focus of modern photography is set on the human interaction with his surroundings, Hervas changes thing up by capturing the human absence from said surroundings. The concept behind the series is deeply metaphorical, visual food for though reflecting the situations where the change is irreversible and we cannot even recognize ourselves.

In this Friday, August. 17, 2018, photo, a North Korean waitress prepares to serve dinner to Chinese tourists at the Pegaebong hotel in Samjiyong in North Korea. Chinese businesspeople and tourists are once again flowing over the borders – several large tourist groups were in Samjiyon last week – and South Korean officials are seriously considering ways to help the North improve its roads and railways. (Photo by Ng Han Guan/AP Photo)

Runner-up. “The City of London, looking towards the Royal Exchange and the Bank of England. The ever-changing London skyline provides many excellent opportunities for cityscape photography, none more exciting than the ebb and flow of traffic at night”. (Photo by Mark Caldon/The Guardian)

Professional adventurer Alison Teal has become the first woman to paddle out into lava during a volcanic eruption into the sea. Amazing shots of the extreme surf session shows the daredevil riding her pink surfboard up to the base of Kilauea Volcano. Photographer Perrin James snapped the brave explorer within feet of the lava as it flows into the ocean. Its the first the volcano in the Big Island of Hawaii has erupted since 2011. Here: Alison Teal paddles out to Kilauea volcano in Hawaii as it eruopts into the ocean. (Photo by Perrin James/Caters News)

In this February 1, 2017 photo, environmental activist Maruja Inquilla poses for a photo next to a Municipal waste treatment plant with water that flows into Lake Titicaca, in Juliaca, in the Puno region of Peru. “If the frogs could talk they would say, This is killing me”," said Inquilla, who recently showed up at the Puno governor's house carrying plastic bags filled with hundreds of dead frogs in protest. (Photo by Rodrigo Abd/AP Photo)