Swiftlets in flight heading back into the cave at dusk in the Puerto Princesa Underground River, Sabang, Puerto Princesa, Palawan, the Philipines.
- Filename
- Palawan-underground-river3.tif
- Copyright
- Duncan Murrell
- Image Size
- 4368x2912 / 72.9MB
- Contained in galleries
- Palawan - Puerto Princesa Underground River