Aerogel: a synthetic material which is 99.9% air.
A cheetah tries to catch a quadcopter drone flying past it.
One of the stations in the Stockholm subway.
The design for a building modelled on a human fingerprint, Thailand.
Private houses on the roof of an eight-storey shopping centre, Zhuzhou, China.
A single unbroken black thread and nails on a white background used to create a portrait.
The plan for an underwater tennis stadium, Dubai.
An infant black rhino and his guard. Armed soldiers now look after every black rhino in order to protect them from poachers. The animals have come to see the soldiers as members of their families.
The director of the Belgrade Zoo tries to convince Sammy the chimpanzee to return home after he escaped, 1988.
Advertising
Predjama Castle, built within a cave mouth, Slovenia.
Trains carrying coal, Virginia, USA.
Heaven’s Gate, China.
A huge water park, Germany.
A door which can withstand a 30-megaton nuclear explosion.
A radio-controlled truck.
The Vajont Dam, Italy. It is 261.6 metres high.
The quietest place on Earth: an anti-echo chamber. Here you can here the blood flowing through your veins in your head.
A machine-gun post dating from the Second World War, France.
A baby dik-dik.
