balk bar beam borer gnarl hole joist knag knot knur knurr pattern texture wood apartments brick bricks building buildings flats gate gateway pavement storey trees warsaw window windows yard balconies flat historic house rails ruin ruined street walls wires bank banknote crisis Deutschmark germany hamburg mark money note Reich thirties thousand twenties value Weimar cash chink coin economy medieval middle ages order prussia state teutonic treasure architecture build construction immigrant labor laborer manual middle east plot Syrian traditional worker modlin railway railways station train train station trains transport travel waiting room