arachnid bugs hairy legs indent indentations long legs spider surface tension water insects shadow shadows water strider abstract background blank blended bowl bubbles bubbling circular colors colours details distinctive edges edging effects foam foaming froth frothing frothy interconnected interlinked liquid merging mirroring multi-colored patterns perspectives red round rounded shape shapes small surface surfaces surfacing Tension texture textured textures thick thin variations vibrant wallpaper white bright activities artificial artificial structure ascend ascending belayer belaying climb climber climbing climbing harness climbing rope climbing technique climbing wall descend descending equipment girl give outdoor sport portable wall safety safety harness shaped climbing holds sport structure take youth boy helmet indoor sport rock climbing shoes aims chalk chalk bag climbing rock competition danger risk rock TARGETS woman work-life-balance self-confidence trust