1. Hirsch Building; 2. Royal Palace; 3. Jewish Historical Museum - ceiling; 4. NEMO Science Museum, Amsterdam, The Netherlands
1) At Leidseplein 29; 2) at Nieuwezijds Voorburgwal 147; 3) at Nieuwe Amstelstraat 1; 4) at Oosterdok 2; June 5, 6, 5 & 6, 2013 (IMG_0066, 0135, 0031 & 0126) (c) Steven Boss
