Nine Turns Tunnel (九曲洞) in Taroko National Park. Taken in January 2003.
<a href="//commons.wikimedia.org/wiki/User:Allentchang" title="User:Allentchang">Allen Timothy Chang</a>
CC BY 2.5
Taken by <a href="//commons.wikimedia.org/wiki/User:Allentchang" title="User:Allentchang">Allen Timothy Chang</a>