6 Amazing Man-made Things that Can Be Seen from Space
The earth is big, and for several millennia people have filled it with huge and amazing things: pyramids, giant walls, megacities and many others. But for the International Space Station (ISS), which orbits the Earth at an altitude of 400 km, our planet may seem like a pretty small place. Houses, roads and buildings simply disappear. Even some of the largest man-made structures merge with the landscape. But there are also some that can be seen from the height of near-Earth orbit.
The Great Pyramids of Giza
Night lights of cities
Kennecott Copper Mine
Bridges
Palm Islands in Dubai
Greenhouses in Almeria, in the province of Almeria in southeastern Spain, there is a huge cluster of greenhouses that can be seen from space. Greenhouses cover an area of more than 259 square kilometers. Millions of tons of fruits and vegetables are grown in these greenhouses and supplied to other parts of the world.