A waterfall rushes down the hill. Vivarium 4 and 5 are mini ecological systems. Emphasis is on the tiny small wonderfull world when you focus on one branche in the tropical rainforest. Mosses, little orchids ,ferns and bromeliads cover the whole place. Lighting is 36 watt dulux.
Water is reversed osmose purified, making the waterquality, pure, soft and acid.