These are the men with one of the most unpleasant jobs in the world. The sulphur miners, pictured in East Java, Indonesia, risk their lives every day. Mining sulphur inside the crater of the Ijen volcano, they inhale clouds of toxic smoke and work tirelessly for 12 hours a day. Russian photographer Gleb Tarro, 43, of San Diego, California, travelled to the volcano and witnessed the men at work.
Armed with a snorkel, flippers and her skimpy bikini, an intrepid female free diver swims alongside an array of reef sharks .
With blue waves tumbling over them, these surfers glide underneath a tunnel of water .
HUDDLED together on a branch, a pair of adorable Javan scops owls soak up the sun .
SLEEPING within touching distance of wild African animals might not be everyone's idea of a relaxing break .
STARING intently into the camera, a polar bear appears to be lost in thought while relaxing in the snow .
With the full moon looming behind him, this polar bear nestles down for the night .
SKIPPING on the spot, an adorable little owl embraces the 'running man' challenge .
A BROWN bear wades through waters in Alaska and waits for his lunch .
THIS may look like a dolphin through jumping hoops, but it is in fact nothing more than a clever 3D pencil drawing .
VIBRANT bursts of colour fill the screen as beautiful flowers blossom in these time-lapse videos .
NEW DELHI, A woman activist of India's main opposition Bharatiya Janata Party crosses a police barricade near the residence of ruling Congress party chief Sonia Gandhi during a protest against the recent rape of a five-year-old girl in New Delhi, India, April 21, 2013 .
Going for long rides through vast fields together, this twosome share an unbreakable bond .