i tried it on the Great Wall of China... guess what?
the whole wall collapsed, now the dominoe effect is happening, the
great wall is falling just as u reading this thread.
i just want to share this piece of news with you. but i not sure
how long it take for 100km to fall leh. later the astronaut see
from space, he see the whole strip of wall collapsing, so nice.
like hollywood blockbuster. 
