Visitors pay twenty-five dollars each to walk beyond the canyon walls, surrounded by the canyon, while standing at the edge of the glass bridge.
VOA: special.2009.10.07
Ryl Nowell's garden, symbolising Anglo-French co-operation, features raised squares of mirror glass, a path of see-through mesh and a glassbridge over a strip of water representing the English Channel.
Mr Heatherwick's future projects include the world's first all-glass bridge, and a public square in Newcastle-upon-Tyne, which will take the dramatic and humorous appearance of a gigantic, electric-blue carpet landing, as it were, from outer space.