The R2 expressway in Slovakia, between Lučenec and Zvolen. Also called the 'treetop highway' because it has the longest viaduct in the country, running along the treetops.
The R2 expressway in Slovakia, between Lučenec and Zvolen. Also called the 'treetop highway' because it has the longest viaduct in the country, running along the treetops.