Jambay Lakhang is believed to have been built in 659C.E. by the Tibetan king Songtsen Gampo, on the same day as Kyichu Lhakhang in Paro. Jambay Lakhang is also one of the oldest lakhangs in Bhutan. Inside the main Jampey (Jampa) Lhakhang are three stone steps representing three different ages. The first signifies the past, the age of the historical Buddha, Sakyamuni. This step has already descended into the ground. The next step is in the same level as the floor which represents the present age. The top step represents a new age. It is believed that when the step representing the present age sinks to ground level, the gods will become like humans and the world as we know will end.