Yellow River, China Visitors at the Hukou waterfall on the Yellow river in north-west China. Owing to heavy rainfall at the upper reaches of the fall, its water volume has increased dramatically. Photo: Xinhua / Barcroft Images

The Great Wall Of China

Space Moon shadow: As millions of people across the United States experienced a total eclipse as the umbra, or moons shadow passed over them, only six people witnessed the umbra from space. (NASAs astronauts Randy Bresnik, Jack Fischer and…

Lake Powell, Arizona

Hangzhou, China Hanging around: middle-school students take part in a military training in Zhejiang province. Photo: China Stringer Network/Reuters

A crowd gathers in front of the Hollywood sign at the Griffith Observatory to watch the solar eclipse in Los Angeles Photo: Richard Vogel/AP

First runner-up: Two towers by Christin Säwström/Edith Cowan University, Western Australia The tranquil and frozen East Antarctic sea ice landscape in the winter months showing off its amazing pink skies and fantastic icebergs. Photo:…

Moscow, Russia People watch a team from Austria perform at the 2017 Rostec international fireworks festival in Brateevsky Cascade Park. Photo: Sergei Bobylev/TASS

Horsehead and Flame Nebulae in Orion by Dave Watson Photo: Dave Watson/PA

Kumano, Japan Fireworks explode during the Kumano fireworks festival at Shichirimihama beach. Photo: The Asahi Shimbun/Getty Images