Bus route: No.331 → Metro Line 13 → Suburban Railway Line s2 → y21, the whole journey is about 17.2km.
1. Walk about 76m from Beijing Botanical Garden, and arrive at the Wofo Temple Station
2. Take No.331, and after 22 stops, arrive at Wudaokou Station
3, and walk about 2,6. Arrive at Huoying Station
5, walk about 1.8km, arrive at Huangtudian Station
6, take suburban railway s2 line, pass three stops, arrive at Yanqing Station
7, walk about 42m, arrive at Yanqing Railway Station Beiguang Station
8, take y21 road, pass 11 stops, and arrive at Yanqing Sewage Treatment Plant Station (you can also take 921 road or 921 road.