<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://toc.h-cdn.co/assets/cm/14/37/980x1267/540f7bb367d06_-_tcx-02-shipping-magnate-vassilis-constantakopoulos-0312-xl-lg.jpg>
<http://www.townandcountrymag.com/society/g39/photos-of-greek-shipping-industry/>