clouds daily moon early moon moon sky art cave caveart early days early period illustration illustrations man mother old painting primitiv primitive rural stoneage sun woman cloud dawn dusk night trees evening farm full moon grass night sky appearance clear craters distance distant evening glowing hidden light moonscape orbit orbiting out-of-shape partial phases reflection shadow shadows shape shapes southern sky sunlight cloudy half-moon heavenly abstract after hours architecture block building business busy city concept construction corporate corporation downtown exterior facade financial floor geometric glass glimpse industry labour lights modern office offices pattern reflections shiny skyscraper texture toil tower trade view wall white collar windows work workplace