Cycle Lai Chau Photos: Than Uyen, Tam Duong, Phong Tho is our photo gallery which contains pictures and photos that were taken in Than Uyen, Tam Duong, Phong Tho, Muong Lay, Lai Chau province, northwest Vietnam. Most of these pictures were shot on the biking trails between Sapa and Lai Chau or Sapa and Yen Bai, Dien Bien Phu.