#1. Two kilograms of fat beside two kilograms of muscle.
#2. Nordlingen, a town in Bulgaria built inside the crater made by a meteorite when it struck Earth 14 million years ago.
#3. A cross-section of an underwater communication cable.
#4. Hiroshima resident Akito Kawagoe’s watch, which stopped at 8.15am — exactly when the atomic bomb hit.
#5. The northern lights, or Aurora Borealis, seen from space.
#6. The most detailed picture of Mercury ever taken.
#7. One of the largest excavators in the world, Bagger 288, weighing 13,500 tons.
#8. Octopus eggs nearly ready to hatch underwater.
#9. A bird’s eye view of a disused tyre mountain.
#10. The surface of Mars photographed in color by the Curiosity rover.
#11. An X-ray of a patient before and after treatment for scoliosis.
#12. A lava lake in Erta Ale volcano, Ethiopia.
#13. A huge dust storm approaching Western Australia.
#14. A full circle rainbow photographed from an aeroplane.
#15. Inside one of Google’s data centers.
#16. Hundreds of people ascending Mount Everest.
#17. The start of the Great Wall of China in Shanhaiguan District on the shore of the Bohai Sea.
#18. Tokyo’s urban sprawl, with 13 million inhabitants, seen from above.
#19. The flight paths of seagulls over a 20-minute period.
