Challenges in Europe: Is Bulgaria Europe's Silicon Valley?

Bulgaria is the poorest EU country, but there is one industry which shows constant and rapid growth - IT.

So can the only booming sector in a Bulgarian economy elevate the country out of poverty and turn it into a Silicon Valley of Europe?

In a series looking at the challenges facing Europe, BBC News meets a Bulgarian IT entrepreneur.

Filming and editing: Joe Inwood. Producer: Ilona Vinogradova.