Climb up one side of arch, move hands over reaching hand-holds at top of arch, swing legs over, feet land ineffectually on wall on other side of arch, no purchase, fall off...
Climb up one side of arch, move hands over reaching hand-holds at top of arch, swing legs over, feet land ineffectually on wall on other side of arch, no purchase, fall off...
Climb up one side of arch, move hands over reaching hand-holds at top of arch, swing legs over, feet land ineffectually on wall on other side of arch, no purchase, fall off...
Climb up one side of arch, move hands over reaching hand-holds at top of arch, swing legs over, feet land ineffectually on wall on other side of arch, no purchase, fall off...
Climb up one side of arch, move hands over reaching hand-holds at top of arch, swing legs over, feet land ineffectually on wall on other side of arch, no purchase, fall off...
... and this has been my climbing evening.