The Great Wall in China :)
Sorry. Urban legend. Not true.
Man made
A manmade feature, such as a building or road, can provide shelter, transportation, or facilitate communication. Terrain features, such as mountains or rivers, can provide natural resources, serve as barriers for defense, or offer opportunities for recreation.
i think the wall of china ...hope i helped
Mayon is a volcano located in the Philippines. It is considered destructive because it has had numerous eruptions that have caused significant damage to surrounding areas. However, it can also be seen as constructive because volcanic activity helps create fertile soil for agriculture. Mayon is a natural feature, not manmade.
The St. Lawrence river is 100% natural.
The Great Rift Valley dominates Africa and is a prominent geologic feature that can be seen from space. It is a series of rifts formed by tectonic activity, creating a long trench running from the Red Sea to Mozambique.
Ireland's manmade features are Newgrange Carrowmore Megalithic Cemetery, Round Towers, and High crosses. Leviathan and Simon and Goliath. The book of Kells is also a manmade feature.
Project Apollo, Project Gemini, then Space Shuttle
Have you ever seen any doors growing anywhere? Of course it's man-made.
I am going to take a guess here that it is a dog in Russian space flights before monkey or man went into space.
Manmade actually.
Manmade