china high speed railway train between wentang gorge and guanyin gorge

chongqing jialing river beibei bridges wentang gorge guanyin railway bridge road eight scenic view city transportation suichuan-yu lanyu xiangyu national 212 chaoyang reconstruction dongyang yuwu expressway landscape nature urban development tourist attraction engineering marvels infrastructure mountain scenery greenery modern architecture transport hub historical significance design tourism density aesthetic travel planning achievement cultural heritage natural beauty valley cityscape collection chongqing39aph39s achievements eco-friendly overlapping overlook china high speed train