A terminally ill patient raises his arm in a hospice for those dying of AIDS at the Buddhist temple Wat Prabat Nampu in Lopburi province, north of Bangkok November 30, 2014. From 1992, the temple has provided housing for HIV positive patients and palliative care for those in the final stages of the AIDS disease. Data from 2013 estimates Thailand has 450,000 people living with HIV/AIDS, but only 353,000 have access to life-saving antiretroviral drugs. (Photo by Damir Sagolj/Reuters)

“El rio mas bonito del Mundo”, the most beautiful river of the world, the “River of five colors”, the “Rainbow River”, or even the “Escaped from Paradise”, are the shimmering appellations that Colombians give to Cano Cristales, a small stream located in the heart of the Macarena National Park, 150 km (93 miles) south of Bogota. Photo: A waterfall is seen at the end of the rainy season, in August, when the water level finally decreases, in the Cano Cristales RIver in the Sierra de la Macarena in Colombia. It has become covered with a bright pink endemic aquatic plant, Macarenia Clavigera. (Photo by Olivier Grunewald)

A National Transitional Council (NTC) fighter fires an RPG during a street battle in the 700 complex area of “Emarat” against Muammar Gaddafi's troops on October 8, 2011 in Sirte, Libya. NTC fighters say this is the final assault on Muammar Gaddafi's home town as they capture the main hospital, University and the Ouagadougou conference centre in the city. (Photo by Majid Saeedi/Getty Images)

PALEMBANG, SUMATRA, INDONESIA - NOVEMBER 14: Fitriyani Fitriyani (L) of Indonesia and Janice Ng (R) of Singapore compete in the Sport Climbing Womens Speed Track Finals on day four of the 2011 Southeast Asian Games at Jakabaring Sports Complex on November 14, 2011 in Palembang, Sumatra, Indonesia. (Photo by Matt King/Getty Images)

Hope Solo of the USA looks dejected after losing 3-5 after penalty shoot-out the FIFA Women's World Cup Final match between Japan and USA at the FIFA World Cup stadium Frankfurt on July 17, 2011 in Frankfurt am Main, Germany. (Photo by Christof Koepsel/Getty Images)

Gianluca Pardelli is something of an expert on markets. For the past two years, he’s travelled across eastern Europe, from Azerbaijan to Uzbekistan, Moldova to Georgia, photographing them. Here: Telavi, Georgia. (Photo by Gianluca Pardelli)

Brazilian graffiti artist Eduardo Kobra (C) puts the final touches to his piece of art in tribute to Brazilian architect Oscar Niemeyer, next to his assistants, at the financial center on Sao Paulo's Avenida Paulista January 22, 2013. Kobra created the 56-metre (61-yard) tall graffiti artwork as a tribute to Niemeyer, one of the 20th century's most influential modernist architects. Niemeyer died in December 2012, aged 104. (Photo by Andre Penner/AP Photo)

Devotees ride on the roof of a train as they return to the city after attending the final prayers on the first phase of Bishwa Ijtema in Dhaka January 11, 2015. Hundreds of thousands of pilgrims congregated in the Bangladeshi capital Dhaka as the first phase of this year's Bishwa Ijtema, one of the biggest Islamic gatherings in the world after the Haj in Saudi Arabia, came to an end. (Photo by Reuters/Stringer)