abstract colour colours conservation fresh fresh water gradient graphic moisture moisturiser nature pond pool rainbow ripple ripples save the planet texture water waves "Water drop" daylily grass green leaves macro spring tiny water drop clean water clear creek emerald emerald green Fluss Mangfall river center clean drink drop refresh rings wave bubbles flash form freeze froze frozen glow liquid refreshing man young drops fingers hand hold blue circles colors dez pain ecology fantasy fill illustration magic pink reflection round shiny summer sustainability vector white xymonau yellow berry fruit ice juice red ref strawberry torrent melon water melon watermelon