These distinctive sloping surfaces result after thousands of freeze-thaw cycles cause the top meter or so of water-soaked ground to creep slowly downhill.
(These distinctive sloping surfaces; result; T:after thousands of freeze-thaw cycles cause the top meter or so of water-soaked ground to creep slowly downhill) (thousands of freeze-thaw cycles; cause slowly downhill; the top meter or so of water-soaked ground)
These distinctive sloping surfaces thousands of freeze-thaw cycles
result cause slowly downhill
T:after thousands of freeze-thaw cycles cause the top meter or so of water-soaked ground to creep slowly downhill
the top meter or so of water-soaked ground