This video from the Technology Institute in Costa Rica shows a basic technique in bamboo construction: the bamboo fish mouth joint. Notice the backslash of the drill in the beginning of the video.
Informative video on how to build walls with crushed bamboo mats and natural plasters (adobe). Preservation of the bamboo matting is of course required before using them in construction.
Although it is widely assumed that the original Australian aboriginal didgeridoos where made from termite hollowed eucalyptus wood, traditionally it is suggested that the first didgeridoos were in fact made from bamboo.