From Cambridge University Caving Club - CUCC wiki
Caves visited: Longwood Swallet (Saturday); Swan Mine + Box Mine (Sunday). All these photos are from Swan Mine, which isn't bad for a mine, although hardly 'real caving'.
Photos by Nial Peters
Ancient graffiti in Swan Mine
Main passage of Swan Mine
Dave holding up the ceiling
Dave and Martin admiring the well-preserved jib crane
Mark and the crane again