C u b e
No, The pizza saw dust is.
The Great Wall of China. It is also the only man-made structure visible from outer space.
A structure made by a man
BOTH it is not natural, and made by humans. - man made it is an engineering structure as well!
pyramids
The dustpan
It is not the biggest man-made waterfall in the world. The biggest man-made waterfall in the world is the Cascata delle Marmore, located in Umbria, Italy. It's 165 meters, or 541 feet, tall, and was created by the ancient Romans.
The biggest man made carve in Europe is the underground power station. This underground power station is located in Northern Quebec Europe.
Lake Earie
Yes, Nuclear weapons create the biggest man-made explosions
They are man made structures
1'000'000'000 feet