Grimshaw tops Dubai Expo Sustainability Pavilion with giant "energy tree"

UK studio Grimshaw has designed a pavilion topped with a 135-metre-wide, solar-panel-covered canopy to anchor the sustainability district at the Dubai Expo.
Named Terra, the pavilion stands at one of the main entrances to the site and generates all its own water and energy.
The Sustainability Pavilion stands near one of the expo's entrances
Designed as the main permanent building within the sustainability district, the pavilion contains 6,000 square metres of exhibition spaces that are