Caves and karst are amongst the most vulnerable of landforms, and are often subject to degradation as a result of phenomena or events which occur at a considerable distance.
(Caves and karst; are; amongst the most vulnerable of landforms) (Caves and karst; are; T:often; subject to degradation as a result of phenomena or events) (events; occur; L:at a considerable distance)
Caves and karst Caves and karst events
are are occur
amongst the most vulnerable of landforms
T:often subject to degradation as a result of phenomena or events
L:at a considerable distance