When in 'Metro-Morphosis' he suspended 28 metres of glass from the ceiling of a pedestrian bridge with fine nylon thread he wanted the audience to share his vision of transparency that would challenge the familiar solidity of architecture. As the public walk across the bridge it comes alive with sound and light rippling across its surface inviting the viewer to ponder where they were going, where they came from and highlighting as Amos suggests 'somewhere in the space between'.