The great wall of China is not an obstacle but a long wall that was built in the era of multi-multi. Take millennia as wall connections each part together until several thousand kilometres stretch of the.
Great Wall of China is not long wall But the walls that were built in different eras. Take millennia It is connected to each of the walls together. It is a line stretching for tens of kilometers.
The Great Wall is not a long wall. But the wall was built in several generations. Take for thousands of years. By the connection wall sections together. Until the line had several thousand kilometers long