Europe's new border fence is leaking

As the Hungarian government races to install and reinforce more than 100 miles of new barbed wire fencing along the EU's southern border, each day thousands of migrants continue to pour across the frontier into the European Union.



Hungarian Mountain Bikers Go Underground

Our Geo Quiz takes us to the site of the Underworld Cup of Hungary. The event attracts hundreds of mountain bikers who enjoy the thrill of racing through a maze of dark, narrow tunnels in an abandoned limestone mine on the outskirts of Hungary's capital.