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S2 Ep 19. A tricky design challenge solved! All thanks to the scaly skin of the pangolin. Scales cover its body in an overlapping pattern, providing both flexibility and armour against attack. Architects copied this to create a glass roof for a famous British railway station, which meant the structure could fit into an oddly shaped location. Let us know what you think. #30Animals Get in touch: www.bbcworldservice.com/30animals