Migrants with a stick, stones and knife fight with each other after a brawl erupted over a place in an overcrowded train heading to the Serbian border at the train station in Gevgelija, The Former Yugoslav Republic of Macedonia, 14 August 2015. The number of migrants passing through Macedonia increases day by day, local sources said. From the beginning of the year to mid-June 2015, nearly 160,000 migrants landed in the southern European countries, mainly Greece and Italy, on their way to wealthier countries in Western and Northern Europe, according to estimates by the International Organization for Migration (IOM). (Photo by Georgi Licovski/EPA)

A Maasai warrior makes the high jump, in which athletes must touch a high line with the top of their heads, at the annual Maasai Olympics in the Sidai Oleng Wildlife Sanctuary near to Mt. Kilimanjaro, in southern Kenya, Saturday, December 13, 2014. Maasai men and women from the Amboseli and Tsavo region compete for medals and prizes in the event which aims for a sports competition of Maasai skills such as running, jumping, and throwing, to replace lion-hunting as the traditional warrior activity. (Photo by Ben Curtis/AP Photo)

These surfing penguins are making waves as they glide gracefully across the ocean.They are showcasing their talent as they arrive on the East Coast beach of New Island in the Falklands.The penguins are of the gentoo species, characterised by their bright orange bills and the distinctive white stripes on their heads. The dazzling images were captured by amateur photographer Shanu Subra, during a 26 day ecology expedition. Here: a lone penguin balancing cooly on a single foot as it catches a wave. (Photo by Shanu Subra/Solent News/SIPA Press)

Ten-year-old Macy Friday, front left, reacts as she looks back at her family after meeting Hillary Clinton, front right, as she campaigns for U.S. Sen. Mark Udall, D-Colo., back, during a stop in the newly-renovated Union Station in Denver on Monday, October 13, 2014. Clinton appeared at an event to raise money for Udall's current re-election campaign and then headed to Las Vegas for another appearance on Monday night. (Photo by David Zalubowski/AP Photo)

In 2002 photographer Corey Arnold left behind a poor economy in San Francisco and headed up to Alaska to try his luck at his longtime passion of fishing. Arnold, who had worked summers during college on a salmon boat in Alaska, signed onto the f/v Rollo, a crabbing boat that fishes in the dangerous Bering Sea. While working long, strenuous hours on the Rollo, Arnold often stole away with the captain’s permission to grab his camera and photograph the crew and the ship. Arnold eventually put together “Fish Work: Bering Sea”, a documentation of his seven adventurous and dicey crab seasons aboard the Rollo. (Photo by Corey Arnold)

A long-tailed monkey, wearing jeans and a doll's head perform on the streets of Boyolali, Central Java Indonesia. Primates are used by owners to beg at crossroads, the primate show can earn $ 5 per day. Begging using long-tailed monkeys is opposed by animal lovers community as it is considered to torture and degrade animal health. (Photo by Arief Setiadi/Pacific Press/Barcroft Images)

Shiite Muslims gather, albeit in fewer numbers due to the COVID-19 pandemic, at the Imam Ali shrine in the central Iraqi holy city of Najaf late on May 16, 2020, to mark Lailat al-Qadr, a night in the holy month of Ramadan during which the Koran was first revealed to the Prophet Mohammed in the seventh century. Worshippers placed copies of the Koran on their heads to convey veneration during the overnight prayers in a centuries-old ritual, as they pleaded to God to rid them of the ongoing novel coronavirus pandemic. (Photo by Haidar Hamdani/AFP Photo)

A security man keeps guard during Malawi's President elect Arthur Peter Mutharika swearing in ceremony at Kamuzu Stadium in Blantyre on May 28, 2019, after a contentious election marred by allegations of fraud and vote-rigging. The Malawi Electoral Commission announced on Monday that Mutharika, who heads the ruling Democratic Progressive Party (DPP), had narrowly won last week's vote after an injunction barring the release of the results was lifted. (Photo by Amos Gumulira/AFP Photo)