<https://lemesosblog.com/akyrothike-i-koyrsa-tis-pelendritou-akyro-kai-to-metallio/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://lemesosblog.com/akyrothike-i-koyrsa-tis-pelendritou-akyro-kai-to-metallio/>