ID 314516622 © Aragami12345 | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
sintra quinta regaleira portugal tree forest cave rock nature geology stone dark underground natural cavern landscape light travel moss green tunnel tourism beautiful caving entrance inside speleology geologic exploration landmark scenic ancient old mysterious wall adventure darkness formation orange shadow mountain stalagmites heritage stalactites mountains wilderness hole hidden grotto