Fancy a dip?
A man swims in seawater covered by a thick layer of non-poisonous green algae which hit the Chinese coastal city of Qingdao in recent days. (Copyright: Getty Images)
This week's most stunning images in science and technology, including flying aces, challenging swims and confused robots.
More stunning image galleries:
Supermoon, Tesla coils and medical clowns
World’s biggest solar-powered boat and forest fires
Astronaut photography, a tiny helicopter and a hovering bike
Rocket launch, a superfast train, and a tooth shark
Fire-fighting from the skies and an animatronic King Kong
Dancing robots, a pair of MiGs and a topsy-turvy tiger
A drone at sea, a curious lemur and a dramatic landing from space
Tiny robots, printable guns and a sunken German bomber
Dramatic storms, face transplants and a pensive gorilla
Space, bionic limbs and robot protests
Rubber wastelands, a trip to a taxidermist and hurricane testing labs
Flu scares, robot surgery and the untouched planet
Cars in flight, active volcanoes and an enormous tarantula
Giant eggs, natural born killers and a musical use for gun parts
The universe’s earliest light, zero gravity and a macaque with hayfever
Comets, the world’s largest astronomical project and a lagoon of death
Biblical swarms, reaching out into space, and jumping rats
Deep sea beauty, giant drilling machines and hypnotic space telescopes
Stunning views of Earth and up close and personal with a human parasite
Russian meteor, extreme weather and a turtle with artificial fins
Cosmic storms, the first bionic man and how to clean a oil-covered bird
Birth of stars, life at sub-zero temperatures and micro-living in the city
Pollution from space, active volcanoes and a robot restaurant
Amazing Lego sculptures, freakish weather… and Big Bird
Gruesome tools, environmental disasters and intimate views from space.
Christmas treats and the end of the world
Bathing snow monkeys, a tweeting pope and elephant dung coffee.
Architectural giants and a new way of seeing the Moon
Red pandas, Saturn and Nature’s unstoppable forces
The world's largest bloom, the world's largest aquarium and the world's fastest sailing boat
Venice under water, a total eclipse and a pedestrian-avoiding car
Space shuttle, Baumgartner and Hurricane Sandy
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