Over the last decade deep cave exploration has unde
rgone many changes as
Single Rope Techniques have been refined. Siege ta
ctics involving large
numbers of cavers and underground camps are being r
eplaced by the fast
attacks of small fit teams using lightweight equipm
ent. These changes
have, in part, been made possible by improvements i
n the materials and
design of caving equipment but more important has b
een the change in
attitude of cavers to small teams and solo caving.