Sou Fujimoto’s climbable cloud makes a magical pavilion

For this year’s attraction to London’s Hyde Park, Japanese architect Sou Fujimoto has produced an extremely unusual building constructed from slender steel bars and glass. The pavilion is a beautiful, ghostly cross between a cloud and a climbing frame, and visitors viewed sitting halfway up the structure almost appear to be floating.

Every year, an architect is chosen to create a temporary pavilion in