backdrop background balance blue blurred brook cascade copy copyspace country countryside environment fall falling flora flow flowing fresh full gold green harmony motion pure purity rain rapid river rock season seasonal space spate speed splash splashing spring stone stream summer tranquil water waterfall weir white yellow zen autumn beauty botany bridge calm dream Farewell flood forest landscape leaf leaves lonely mystery nature outdoor park red reflection relaxing ripples serenity silence tree trees walking weather wet wood advice alert appropriate-behavior appropriate-behaviour be-careful beware care careful caution cliff cliffside colors colours communicate communication concern danger dangerous deterioration fading-sign information informing light lookout observant restricted restriction restrictions risk risks risky riverside safety shadows shapes shrubs sign signs sunlight textures warning warning-sign watch watch-out culture dramatic falls feature foam geologic geology granite grass hill hills moss mountain mountains natural provincial rapids ring rocks rural scenery scenic sky spray spume