Question

which is the longest man made structure in the world​

Answer 1

The Great Wall of China, Longest Man-Made Structure in the World. Just 45 miles northwest of Beijing sits the longest man-made structure in the world, the Great Wall of China, a symbol of ancient civilizations that still stands.

Answer 2

●THE GREAT WALL OF CHINA IS A

LONGEST MAN MADE STRUCTURE IN THE WORLD ▪

■Just 45 miles northwest of Beijing sits the longest man-made structure in the world, the Great Wall of China, a symbol of ancient civilizations that still stands.