LIDAR scans of Poland are available publicly from some time: <a href="http:&#x2F;&#x2F;geoportal.gov.pl&#x2F;dane&#x2F;numeryczne-modele-wysokosciowe" rel="nofollow">http:&#x2F;&#x2F;geoportal.gov.pl&#x2F;dane&#x2F;numeryczne-modele-wysokosciowe</a>