Check this out: http://en.video.canoe.tv/video/come.../human-pile-driving-in-thailand/2360223156001 Utter, utter brilliance. Why can't we do this? Is it because we have no rhythm?
Who is we? We (the people of the Earth) can, and obviously do. It could be done anywhere, but in most developed places hiring mechanical equipment to do the job is faster, cheaper, and probably safer than hiring half a dozen unskilled workers to jump on a plank.