Hedge Maze in “The Jewel” at Changi Airport, Singapore April 2, 2020April 2, 2020 Adrian Fisher0 commentsUncategorized [pl_row] [pl_col col=12] [pl_text] The Hedge Maze at THE JEWEL at Changi Airport, Singapore, designed by Adrian Fisher. It is the world’s first indoor hedge maze. It features a four-way crossover gate, and a viewing position reached by twin curving staircases.