El Malpais: 3 Windows tub (March 2009 - hdr3.jpg, 3872x2592 pixels)
El Malpais: 3 Windows tube (March 2009 - hdr5.jpg, 2592x3872 pixels)
El Malpais: Long exposure inside 3 Windows tube with glittering ice 'stalagmites' (March 2009 - DSC_0107.jpg, 3872x2592 pixels)
El Malpais: Caterpillar Collapse (March 2009 - hdr6.jpg, 3872x2592 pixels)
El Malpais: Big Skylight tube (March 2009 - hdr10.jpg, 3872x2592 pixels)
El Malpais: Big Skylight tube (March 2009 - hdr13.jpg, 2592x3872 pixels)
El Malpais: Big Skylight tube with person for scale (March 2009 - hdr16.jpg, 3872x2592 pixels)
El Malpais: Big Skylight tube without person for scale (March 2009 - hdr16.jpg, 3872x2592 pixels)
El Malpais: Big Skylight tube (March 2009 - hdr21.jpg, 3872x2592 pixels)
El Malpais: Big Skylight tube (March 2009 - DSC_0235.jpg, 3872x2592 pixels)
El Malpais: Big Skylight tube (March 2009 - hdr17.jpg, 3872x2592 pixels)
