Sardines emerge from a coral wall in cobalt waters just a few yards from the shores of Cebu Island in the Philippines. They move in a single undulating cloud of silver that twists, turns, shrinks, expands and wraps itself around any object that gets in its way. At times, it becomes a thundercloud, blocking out the sun or clapping violently as it suddenly flips its formation to evade a predator.
- Is this really the best island in the world?
This brown bear successfully captured a salmon in Russia's Kuril Lake. These bears are in a state of hyperphaghia, meaning they are always hungry. They must gain weight before the winter’s hibernation and catch up to 40 salmon a day to achieve that.
- Why your next holiday should be to Russia
In northern Vietnam, people wake up very early to eat breakfast at this weekly market and exchange goods.
- The world's best markets
A ship which has just docked having its hull hosed down in the Netherlands.
- The remarkable history of the largest ship ever built
Gulls soaring over a beach in India cast precise shadows over the sand and water, seeming to double their numbers.
- The Jungle Book: 5 best tours to Rudyard Kipling's India
A boatman reading a newspaper on his boat in India.
- Never been to India? This is how to experience its 24-karat heart in eight days
Again in India, three yaks linger by Pangong Lake.
- The world's most beautiful lakes
A woman at work drying leather on the street near a factory on the outskirts of Dhaka, Bangladesh.
- Bangladesh: And the rest of the world's least visited countries
Shot from a plane at 1,000, this appealing image is actually of two industrial ponds on the property of Waste Management, Inc. in New Mexico.
- My strange obsession with touring factories
A spotted deer stag on a cold winter morning in an Indian forest.
- A wild weekend in Exmoor, chasing stags and stars
Swaroop Singha Roy
Women hard at work at a salt field in Vietnam.
- Vietnam by train – and the secret to eating rice with chopsticks
A refugee of the Democratic Republic of Congo in the waters of Guanabara Bay, Rio de Janeiro.
- Where to stay: the best hotels in Rio de Janeiro by district
"On New Year’s Eve in 2016, a sea cliff collapsed near Kalapana on Big Island, Hawaii. A dramatic stream of lava, called a fire hose, started to shoot out of the cliff. Before the sunrise, I captured this dramatic picture, where the lava cascaded into the ocean, creating steam and lava bombs. The lava stream stopped in March 2017"
- The mysterious curse that's making tourists post rocks to Hawaii
Traders seen though a gap in these market umbrellas in Vietnam.
- Enter our weekly travel photography competition for the chance to win a £400 camera