action active activity adult balance boat boats buoys city city-skyline cityscape culture dangers enjoy entertainment expensive fast handling luxury manoeuvrability mobility motion motor-boat movement outdoors outside pastime Perth popular power power-sport quick recreation river riverside safety skill speed speed-boat sport summer tourists transport transportation travel water water-sports waterways wealth accommodation boating canopy enjoyment houseboat leisure light moving outdoor people recreational ripples rippling river-views riverbank scenery trees water-transportation appearance appearances background buildings colors colours contrast contrasting grass grassed-area homes houses jet-ski jet-skiing lawns park public-park scenic shade shadow shadows shrubbery shrubs sunlight sunshine surfaces vegetation views anchorage anchored Australia care city skyline moored moorings motor boat motoring sailing security water sports watercraft above aerial aerial-photography agriculture angles arial below bird's-eye-view cambodia cattle country-side crops cultivated cultivation distance distant expanse farming flat flooding floodplain flying from-above grassland height high landscape looking-down panoramic-views plantations plots rural travelling watercourses advice alert appropriate-behavior appropriate-behaviour behavior behaviour caution communication freestyle freestyling fun information informing limitations limited restricted restrictions risk risky sign signs warning warning-sign watch watch-out wave-runners bay couple dinghy man power sport rubber dinghy spray trail turn woman CBD city center city centre