postmodern exterior shot modern facade design applied strictly to the existing building massing do not change the building shape volume roof geometry proportions or silhouette work only with facade materials openings rhythms and details left volume a 3 storey public library clearly readable three levels through facade articulation window bands vertical divisions mullions contemporary library expression openness transparency large glazing areas vertical glass fins sun shading elements a separate entrance for the library is allowed and encouraged but without changing the volume materials glass light concrete natural wood aluminum right volume an existing 2 storey administrative building clearly readable two floors through facade rhythm and window alignment more solid and restrained facade compared to the library materials darker metal panels concrete textured plaster main entrance design a shared main entrance located at the junction of the two buildings even though it is not shown in the model the entrance must be expressed only through facade treatment glazing framing canopy material contrast without altering the massing overall style contemporary european architecture minimalist calm elegant strong contrast between transparent public library and solid administrative building neutral color palette white grey wood tones dark metal accents rendering style realistic architectural visualization eye level perspective soft daylight subtle shadows people for scale high material realism sharp details competition quality render architecture