ahead caution crossroads danger give give way junction post right road roadsign roadsigns sign signs street turn turn right warning way black isolated red traffic triangle blue coming left pole posts signpost signposts sky sundtraffic to yellow arrows circular communicating communication curved directing direction directional give-way indication indicator informing reflective roundabout speed reduction street sign traffic flow triangular white appropriate behavior appropriate behaviour directive road sign rules safety activities artificial artificial structure ascend ascending belayer belaying climb climber climbing climbing harness climbing rope climbing technique climbing wall descend descending equipment girl outdoor sport portable wall safety harness shaped climbing holds sport structure surface take Tension youth boy helmet indoor sport rock climbing shoes alternatives blue on white choice choices decisions directions options possibilities reflective sign carpet colors fibers rug texture