How do you solve a problem like Tokyo demolition?

Japan Demolition This is a quite extraordinary piece of engineering. Modern Japan has had to solve many architectural challenges, from earthquake damping to wind resistance. But how do you solve the problem of demolition in a city as densely populated as Tokyo? Explosives and other traditional demolition techniques would cause unacceptable disruption and debris, so a company in Japan has developed a way to compress a building down to a manageable size. The video is a must-see.

BBC News - Japan's incredible shrinking building.