<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/54eba51395523_-_6-europe-cobblestone-streets-y0tqcu-xl.jpg>
<http://www.womansday.com/life/travel-tips/g872/fun-summer-activities/>