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...ed and built a wind tunnel in 10 weeks on a low budget less than $100. The tunnel, whose construction attracted attention from the media, filled the basement

...haviors being used by past people of Mumbwa. Windbreaks bend away from the tunnel and would have protected the occupants of the cave and their hearths from t

...rack across Mpanga River.jpg|thumb|right|250px|The Mpanga River Bridge and tunnel.]] * Loading gauge: Limited by 22 [[tunnel]]s in the [[Udzungwa Mountains]]