tranquility. mossy rock in a forest lake. still water, protrudes stones overgrown by moss, darkwater. reflections in transparent w

autumn background beautiful black brown calm calmness concept dark darkness darknessnforest darkwater environment fall forest fresh green key lake landscape light low minimalism mood moss mossy mysterious natural nature night objects old outdoor overgrown park protrudes protruding reflections rock single still stone stones stream swamps texture tranquility transparent travel tree vivid water wood zen