BHAKTAPUR, Oct 28: The remains of an archeological building have been found while digging a water tank on the premises of Niketan Secondary School, Bhaktapur. The remains of archeological buildings including Tepu Lho, Teliya Brick (Chikka Appa), Fah Appa, Dachi Appa (various types of bricks) have been found six feet below the ground surface.