design a modern minimalist architectural exterior for the facade and main entrance of a single story building featuring large windows with clean elegant lines use materials such as exposed concrete for the left side of the large windows square clay latticework for the central section and walnut slat cladding for the right side the main door is made of corten steel the windows should reflect a clear blue sky enhancing the feeling of spaciousness along the entrance create a row of tropical shrubs and similarly incorporate a walkway of dark gray stones leading to the main door