The moment of unfolding, when the umbrellas form a translucent, vaulted covering for efficient climate control. Every umbrella of the convertible shading roof shades an area of 306 m² and has a span of 24 metres. The umbrellas, each weighing 10 tonnes, open automatically according to the position of the sun within only 90 seconds. More project information is available at: https://www.sl-rasch.com/en/projects/courtyard/ . . #lightweightstructure #lightweight #design #architecture #engineering #structuralengineering #umbrella #shade