Engineering From Above

Presents an aerial tour of an engineering and mimicry marvel in London, Singapore's iconic Supertree Grove, and strange bubble-like domes in southern England.

Rural Brazil sees the devastating destruction of a dam; a bridge collapses catastrophically in Genoa, Italy; a once mighty ancient castle is reduced to ruins in Gaziantep, Turkey.

A look at some of the most impressive feats of extreme engineering, including an ancient town built in the Peruvian Andes, a thriving urban centre in Iran's scorching desert, and a city engineered to flourish in the frozen climes of Siberia.

Examines bizarre engineering achievements, including ball-like habitats in the Netherlands, an eccentric Colombian fortress built to last, and a strange train designed to conquer the towering Swiss Alps.