Photo: Michiel1972 at Dutch Wikipedia, CC BY-SA 3.0 Free markets in Amsterdam
Photo: Michiel1972 at Dutch Wikipedia, CC BY-SA 3.0 
Photo: Alf van Beem, Public domain Nine Streets
Free, always
Photo: Massimo Catarinella, CC BY-SA 3.0 Bloemenmarkt
Free, always
Photo: Arwin Meijer, CC BY-SA 3.0 Noordermarkt
Free, always
Photo: Txllxt TxllxT, CC BY-SA 4.0