Wiang Kum Kam Chiang Mai Wiang Kum Kam The remains of Pu Pia temple. In 1984, just outside the modern Chiang Mai metropolitan archaeologists uncovered the remains of ancient city. Research concluded that this was the city of Wiang Kum Kam, one of many fortified cities built by King Mengrai as he consolidated his hold on the north. In fact, it appears that Mengrai may have lived