Seeing computer stuff get blown up with dynamite, regardless whether it is a Mac or not, is cool. Not sure why the two guys in the video are dressed that way but the explosion is still fun to watch.
Our country is as flat as a pancake, we have no mountains nor rocks to climb. So we need to be inventive if we want to practice climbing. This tower is a steel and wood construction, 37 metres high, with an overhang of 11 metres.