Description from the article (which has an array of stunning photos): Chinese studio Interval Architects have completed a pavilion that snakes around a school square in Beijing like the tracks of a roller coaster. The continuous timber belt folds up and down from the ground to create louvred walls and a roof, which are supported by a series of metal columns. Where the chunky edges of the structure meet the ground they create benches and surround new patches of grass. As well as providing a seati