This is not the clean EU, where plastic neatly separated from paper and tinplate meticulously from Buntblech. Belgrade is Balkan with all the rubbish and rubbish that one imagines as clichéd Westerners.
Ash. Mud Gray. Green grey. Asphalt Gray. Brown Gray. Haze Gray. Yellow grey. Mausgrau. Sometimes a wonderfully dark anthracite. Around the corner is a warm beige tone. An unimagined variety in the nuances, which I can not begin to verbalize in words!