A man wearing shades displays a t-shirt depicting Dutch Queen Beatrix in a souvenirs shop in Amsterdam. The Netherlands is preparing for Queen's Day on April 30, which will also mark the abdication of Queen Beatrix and the investiture of her eldest son Willem-Alexander. Cris Toala Olivares/Reuters
A bee is covered with pollen as it sits on a blade of grass on a lawn in Klosterneuburg. The European Commission said it would go ahead and impose a temporary ban on three of the world's most widely used pesticides because of fears they harm bees, despite EU governments failing to agree on the issue. Heinz-Peter Bader/Reuters
With a backdrop of Prague Castle, a woman takes a photo of two Greenpeace activists wearing a polar bear costume roaming around the Czech capital to warn about the dangers of global warming in the Arctic. Petr David Josek/AP
Dhiraj Chepang, a grade one student, carries his bag while returning home from school at Khokana, in Lalitpur, Nepal. Navesh Chitrakar/Reuters
Members of the 'T-Company' dance company perform at the Gendarmenmarkt square to mark International Dance day in Berlin. Fabrizio Bensch/Reuters
An elderly Congress party supporter holds a chair to shield herself from rain as she waits with others for Indian Prime Minister Manmohan Singh at a campaign rally for the upcoming Karnataka state election on the outskirts of Bangalore, India. There are 41.8 million voters in the state and as many as 50,446 polling stations will be set up ahead of the polls. Aijaz Rahi/AP
Great White Pelicans play together in the Dresden Zoo, eastern Germany. Jens Meyer/AP
A worker leaves the site where a garment factory building collapsed near Dhaka, Bangladesh. Rescue workers in Bangladesh gave up hopes of finding any more survivors in the remains of a building that collapsed five days ago, and began using heavy machinery to dislodge the rubble. Ismail Ferdous/AP
People walk along a beach facing the Adriatic sea near the city of Durres, some 25 miles from Tirana, Albania. Arben Celi/Reuters
Rex Beck and Scarlet Readman-Riley pose for photographs during the Goth festival in Whitby, northern England. The Goth culture emerged for the Punk scene in the 1980's, developing its own music and fashion styles. Nigel Roddis/Reuters
A local TV reporter reacts as he prepares for a news report in front of an empty gate at the customs, immigration and quarantine (CIQ) office, just south of the demilitarized zone separating North Korea from South Korea in Paju, north of Seoul. Last Friday, Pyongyang rejected a call for formal talks to end a standoff that forced operations at the inter-Korean Kaesong Industrial Complex to be halted. South Korea in turn said it would pull out all its remaining workers from Kaesong. Lee Jae-Won/Reuters
An image of Dutch Queen Beatrix Is photographed from the window of an empty room in downtown Amsterdam, Netherlands. Queen Beatrix has announced she will relinquish the crown on April 30, 2013, after 33 years of reign, leaving the monarchy to her son Crown Prince Willem Alexander. Emilio Morenatti/AP
Military honor guard are illuminated by stage lights as they return to retrieve flags on stage at the end of the ceremony for the 20th anniversary of the United States Holocaust Memorial Museum in Washington. Charles Dharapak/AP
Japanese scientists believe that moss – a common plant in the island nation – could be used as a 'bioindicator' to gain valuable insight into pollution and other atmospheric data.
BySophie Hares, Thomson Reuters Foundation
Delicate mosses found on rocks and trees in cities around the world can be used to measure the impact of atmospheric change and could prove a low-cost way to monitor urban pollution, according to Japanese scientists.