From a tornado looming above Colorado to an orangutan using a leaf as an umbrella: National Geographic reveals its top pictures of 2015 (8)

Bence Mate. Colorful chaos. White-fronted Bee-eaters getting together on a bough before going to sleep to their burrows, scraped into a sand wall. I was working on this theme for 18 days, as there were only 5-10 minutes a day, when the light conditions were appropriate, 90% of my trying did not succeed. I used flash lights to light only the ones sitting on the branch, and not to the others, flying above. When in the right angle, the backlight generated rainbow colouring through the wings of the flying birds