Designed by London-based Orproject, the “OR2” is a sustainable installation that combines a shading device with a solar-powered chandelier to dazzle the Belgrave Square during the London Festival of Architecture. Working as a shelter that collects solar energy using photovoltaic cells during the day, the luminous pink tree-shaped mechanism becomes a scintillating chandelier at night, spreading the illumination all through the Square. Employing photo-reactive technology at an architectural scale, the OR2 remains in constant interaction with the elements to give it unique appearance at each moment of the day.

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