The cliffs are pocked with a plethora of strange potholes, the work of the Liwu river and ground water. They have become abodes for the eponymous Pacific swallows and house swifts.
Taroko National Park | Hualien
The cliffs are pocked with a plethora of strange potholes, the work of the Liwu river and ground water. They have become abodes for the eponymous Pacific swallows and house swifts.