1 "Ficheiro:Den_Haag_Inside_the_Escher_museum_(4200158529).jpg".

Ficheiro:Den Haag Inside the Escher museum (4200158529).jpg

flickr.com/people/48899830@N00 publication date: 20 December 2009 described at URL: https://www.flickr.com/photos/macchi/4200158529/ operator: Flickr...