air atmosphere blue cloud cloud formation clouded clouds cumulus dark deep formation formations gray grey hanging heavy huge massive meteorology nature rain skies sky stratus structures water weather white black circle communicating communication denied directing direction directional directive informing no right turn not allowed not permitted parking permission denied prohibited prohibition red reflective road sign sign street sign traffic traffic flow verge warning bush cotton fiber plant shrub soft face happy people forest green lakeside reed reeds ripples spree spree forest spring bushes landscape reflections sunshine tree trees bank channel channels atmospheric calm coastline cozy idyllic peaceful perspective quiet rest restful river rivulet rural stream streamlet wildwood wood woodland woods abstract background curves ice light waves