Las fotografías usadas en esta web tienen licencia creative commons. A continuación hacemos referencia a sus autores.
- http://www.flickr.com/photos/blogumentary/343781326/sizes/l/in/photostream/
- http://www.flickr.com/photos/blogumentary/296211188/sizes/l/in/photostream/
- http://www.flickr.com/photos/charliellewellin/6258173165/sizes/z/in/photostream/
- http://www.flickr.com/photos/mgifford/6201645666/sizes/n/in/photostream/
- http://www.flickr.com/photos/creative_stock/5227842611/
- http://www.flickr.com/photos/blogumentary/310864446/sizes/n/in/photostream/
- http://www.flickr.com/photos/49889874@N05/5691606958/