A policeman holds a water bottle with a yellow-crested cockatoo put inside for illegal trade, at the customs office of Tanjung Perak port in Surabaya, East Java province, Indonesia, May 4, 2015 in this picture taken by Antara Foto. Police arrested one man traveling by ship from Makassar, Sulawesi with 22 of the endangered cockatoos held inside water bottles. (REUTERS)
Local youngsters Bella (L) and Daisy run through a forest covered in bluebells near Marlborough in southern England, May 4, 2015. The Savernake Forest and West Woods, managed by the Forestry Commission and replanted in the 1930s to 1950s with beech trees, provide one of the most spectacular sites in Britain for seeing bluebells at this time of year. (REUTERS)
Figurines representing French Brigade of Lancers are seen on a 40-square-metre miniature model of the June 18, 1815 Waterloo battlefield, in Diest, Belgium, in this picture taken on April 29, 2015. Waterloo enthusiast Willy Smout said he spent 40,000 hours and around 150,000 euros over the past 40 years, to recreate the battlefield as closely as possible in a purpose-built room in his house. (REUTERS)
Singer Rihanna arrives at the Metropolitan Museum of Art Costume Institute Gala 2015 celebrating the opening of "China: Through the Looking Glass" in Manhattan, New York May 4, 2015. (REUTERS)
US Secretary of State John Kerry takes a selfie with a baby elephant while touring the Sheldrick Center Elephant Orphanage at the Nairobi National Park, Sunday, May 3, 2015, in Nairobi, Kenya. (REUTERS)
The Villarrica Volcano is seen at night in Pucon town, Chile May 5, 2015. (REUTERS)
A woman paddles in a makeshift boat as she collects recyclable trash from a polluted river in Navotas city, Philippines May 6, 2015. (REUTERS)
A doctor attends to a newborn baby in a special care unit at a hospital in Yemen's capital Sanaa May 7, 2015. A shortage of fuel has crippled hospitals and food supplies in recent weeks in Yemen, and the U.N.'s World Food Programme has said its fuel needs have leapt from 40,000 litres a month to 1 million litres. (REUTERS)
An African immigrant tries to sneak under a truck, which briefly stopped at a traffic light, while trying to enter the ferry terminal in the western Greek town of Patras April 28, 2015. Afghan, Iranian and Sudanese immigrants, living precariously in abandoned factories in Patras, southwest Greece, try to stow away on nearby ferries to Italy as they seek a better life in Europe beyond crisis-hit Greece. Shocked after as many as 900 people drowned last month in the worst Mediterranean shipwreck in living memory, European Union leaders have agreed to triple funding for sea patrols, but disagreement persists on what to do with those fleeing conflict and poverty in the Middle East and Africa. Some in Patras are recent arrivals, often travelling via Turkey, others have languished in the empty buildings for as long as two years. (REUTERS)
A six-year-old acrobat performs on the opening of a tourist festival in Bozhou, Anhui province, China May 3, 2015. (REUTERS)