The $2 million Chee Tong temple at Hougang Avenue 3. It symbolises an "open welcome" to devotees and visitors as there are no windows and no doors at the entrance. Taoism and Buddhism are practised there, and Confucianism is also taught there. The prisms act as a skylight at the apex of the pyramid-shaped roof. At night, the lights in a symbolic circle around the altar bounce off the prism's mirrors to create a shimmering effect.
