Daguan Tunnel is an old brick tunnel built around 1919 for the Sun Moon Lake hydropower works. It later became a road tunnel, and today it is a quick but worthwhile stop for travellers interested in the engineering history behind the lake.
Daguan Tunnel is an old brick tunnel built around 1919 for the Sun Moon Lake hydropower works. It later became a road tunnel, and today it is a quick but worthwhile stop for travellers interested in the engineering history behind the lake.