Tunnel No. 1 has a "heaving" problem, where forces in the earth cause the walls and floor to bulge inwards

Date: 2006-06-09
Owner: Gallery Administrator
Size:
Full size: 684x912

Photo Properties
Summary  Details
Make FUJIFILM Model FinePix A340
Aperture Value f/2.8 Color Space sRGB
Exposure Program Program Flash Flash, Auto-Mode
ISO 200 Metering Mode Multi-Segment
Shutter Speed Value 1/60 sec Date/Time 2006 Jun 09 14:52:21 +0100