Portal: Lithuania and Poland build a window connecting two cities

It looks like something out of a science fiction movie.

But the 'portal' connecting Vilnius, Lithuania and Lublin, Poland is very real, and part of a competition by the government of Vilnius to promote tourism in the area.

Benediktas Gylys, the founder behind PORTAL, and residents of the two cities have been speaking to the BBC.

Video produced by John Johnson