background Birling Gap chalk cliff coast cracked cream England english evening flints Great Britain natural nature rock stone Sussex texture white Apulia aquamarine arch coastline danger eroded erosion Gargano hole Italy Puglia ripples sea shore water waves barrier boulder boundary field old spring tree wall beach boardwalk cave holiday leisure sand summer vacation wave activities aims ascend ascending belayer belaying chalk bag climb climber climbing climbing harness climbing rock climbing rope climbing technique climbing wall competition descend descending equipment give outdoor sport risk rock climbing shoes safety safety harness shaped climbing holds sport structure surface take TARGETS Tension woman work-life-balance bay crumble crumbling dangerous face hazard hazardous high landscape sheer south exercise fun.leisure national park on the move people pleasure ridge South Downs track trail walk walkers walking height rockfall age black blackboard children education elementary learning romanian school student teaching text words boy self-confidence trust