Long Tri Pond (Hồ Long Trì), or Long Chieu Pond (Hồ Long Chiểu, ao Rồng). In front of Thay pagoda (Chùa Thầy) is Long Tri pond, in the middle of which is a stage called Thuy Dinh, where water puppet performances are held. Back of photo is houses, front of Sai Son mountain (núi Sài Sơn), Thay Mountain (Núi Thầy) or Phat Tich Mountain (Núi Phật Tích).