The crevasses attracted the attention of the travellers very strongly.
One must be well shod so as not to slip, and one must look out for crevasses.
Coming to one of the crevasses which was too wide to leap, the ladder was put in requisition.
At one of these crevasses they were brought to a complete standstill.
Don't jump about near the crevasses, Pyto, and I'll go and fetch ...