John Riper: Spoorsingel, Rotterdam, then (my family in 1925) and now (2015)
John Riper: Another "Then and now"
John Riper: Noordschans, Rotterdam Delfshaven
John Riper: Rotterdam, Groshansstraat 1959 in 2013
John Riper: Now (2013) and then (1959)...
John Riper: "A" Rotterdam summer impression