蜜芽传媒

Before-and-after shots, 'lapsed time' rather than 'time-lapse', show the change from dry to wet at the origins of the great Nile flood. The cameraman had to film exactly the same shot twice, 6 months apart, and position a jib arm right at the edge of the waterfall, for these vertiginous shots over the edge of the waterfall, looking straight down.