Zer egingo genuke usaimenik gabe?

Irudien jatorriak (Creative Commons lizentziadunak)

1.irudia:http://www.flickr.com/photos/articnomad/17111332/
2.irudia:http://www.flickr.com/photos/sartor/3981359846/
3.irudia:http://www.flickr.com/photos/jonycunha/4371741264/
4.irudia:http://www.flickr.com/photos/decadence/3436469786/