A six-month-old female polar bear cub cools off in her pool at the Royev Ruchey Zoo in Russia’s Siberian city of Krasnoyarsk on Thursday. Ilya Naymushin/Reuters
Hundreds of people appear blurred as they dance the "Revoltosa dance" around a bandstand as musicians play in the main square of Tudela, Spain, on Thursday during a fiesta to honor Saint Ana. Alvaro Barrientos/AP
A female Amur leopard cub, also known as a Manchurian leopard, looks out of a bucket while it is weighed, in the zoo in Leipzig, Germany, on Thursday. Sebastian Willnow/AP
A Chinese soldier jumps through a fire obstacle during training at an army training field on Wednesday. Li Gang/Xinhua/AP
A cow looks on with a burning house seen in the background in the Russian city of Voronezh on Thursday. Russia's worst drought in decades is set to drag on for at least the next 7 days in some areas, but further serious damage to grain crops is not expected, a senior government weather forecaster said. Vladimir Lavrov/Reuters
A Pakistani villager with his daughter moves into safe place from a flood hit village near Nowshera, Pakistan, on Thursday. During monsoon rains, rivers burst their banks, washing away streets, battering a dam, and killing at least 60 people in the most severe floods in decades in the region. Mohammad Sajjad/AP
Catholic priest Giovanni Bizzotto, Jewish rabbi Jonathan Klein, and Muslim cleric Shakeel Syed(l. to r.) give a blessing over Los Angeles workers from 32 different unions who rallied at Dodger Stadium in Los Angeles before boarding 11 buses bound for Arizona to protest the state's immigration law SB 1070, on Thursday. Adam Lau/AP
The M Star oil tanker is seen at sea near Fujairah port in the United Arab Emirates. A Japanese supertanker that reported suffering an "explosion" near the Strait of Hormuz oil shipping route may have hit a submarine or a mine, UAE port officials examining the ship said on Thursday. Mosab Omar/Reuters
Racers wait under the heavy rain for the start of their men's 5000m heat at the European Athletics Championships in Barcelona, Spain, on Thursday. Miguel Vidal/Reuters
A child plays with a float at Chaoyang Sand Beach Theme Park on a hot day in Beijing on Thursday. Jason Lee/Reuters
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.