<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://edc.h-cdn.co/assets/cm/15/04/980x490/54c1b28b2e3f3_-_hbx-upside-down-house-fwbzgv-de.jpg>
<http://www.elledecor.com/life-culture/travel/a6450/upside-down-house-china-housebeautiful/>