Visible and infrared digital photos around the entrances at Cueva Arenal  
by Juan Corrin, July 2017. (See also the IR page)

A1, 2: Looking up to the entrances on a ledge halfway up the photo. The blue
cascade images the colder temperature of the rock and vegetation caused by
the cold draught.
A3, 4: Looking east across the ledge to the eastern entrance with the
draughting middle entrance on the right of the picture.
B1, 2: The strongly draughting middle entrance.
B3, 4: The cold ground outside the middle entrance looking west.
C1, 2: The cascade of cold air over the edge, flowing from left to right.
C3, 4: The middle entrance.

1

2

3

4

A

0035-jc-2017s-01.png
0035-jc-2017s-01-IR.png
0035-jc-2017s-02.png
0035-jc-2017s-02-IR.png

B

0035-jc-2017s-03.png
0035-jc-2017s-03-IR.png
0035-jc-2017s-04L.png
0035-jc-2017s-04L-IR.png

C

0035-jc-2017s-04R.png
0035-jc-2017s-04R-IR.png
0035-jc-2017s-05.png
0035-jc-2017s-05-IR.png