Digital photos in Sandstone and Double Decker Passages, Cueva Hoyuca
taken by Diane Arthurs with Simon Cornhill, winter 2024.

Sandstone Passage (SSP)
Formations in Sandstone Passage.
The climb down to JJ passage at the end of Sandstone Passage.
The sandstone choke at the end of Sandstone Passage.
SSP - the aven at the end of a side passage.
SSP - sculptured rock near the aven at the end of a side passage.
SSP - the top of a ramp near the aven.
SSP - shaft near the end of the side passage.
In Double Decker Passage 
Double Decker Passage - Well preserved original note for survey station 0 (Juan & Lugger)
Double Decker Passage
Double Decker Passage
Double Decker Passage
Crawl in Double Decker Passage in between big passages
Crawl to p7 down and up end of Double Decker.
Double Decker Passage knotted rope climb