From a tornado looming above Colorado to an orangutan using a leaf as an umbrella: National Geographic reveals its top pictures of 2015 (12)

• Now you can spend all year with Vladimir Putin! New calendar features the Russian President in a year's worth of bizarre hunky poses
• Swimming with jellyfish, a glowing ocean… and the most terrifying photograph of a penguin ever taken! National Geographic release their pictures of 2015
• Historical photos of anti-Japanese war exhibits in Seoul
• In pictures: O. Fournier Winery in La Consulta city, Argentina
• National Geographic Traveler 2013 Photo Competition winners