7 photos of the entrance to site 126, Cueva de Fresnedo.  
1 and 2 - Paul Fretwell (2006)
3 - Torben Redder with Santi Urrutia and Harry Long (2007)
4 - Harry Long, a distant view of the entrance. (2007)
5 - Phil Papard (summer 2016)
6 & 7 : At Easter 2017, Ángel, from the family that own the Huero Rey land, showed us the entrance, believing it to be one we didn't know about. His enthusiasm earned him a Matienzo Caves Project T-shirt from James Carlisle!