bleak blue cloud clouds colored colors coloured colours conditions darkness formations light ocean rain shade shadow shapes skies sky sun textures variations various cloud formations weather beauty calm creation dez pain evening gold golden islands lake nature peace pond reflection rest river serenity shimmer sikhouettes summer sunset water waterway xymonau abstract alone background distance horizon lonely marine moisture peaceful ripples scenery sea water resources border crowd floral flower flowers frame garden gardening happiness health joy landscape love natural outdoors spring angry beautiful climate climate change danger global warming gray grey portent storm storm front threat thunder wild birds sailing ship yachts crescent distant fine moon southern thin vaporish vapourish white wispy air atmosphere cirrus cumulus fading formation gradient graphic heavens illustration ozone ozone layer pretty science stratus vector