In pictures: The GAWA take over Basel for Northern Ireland's World Cup play-off second leg against Switzerland
Northern Ireland's Green and White Army are in Basel to see if their side can shock Switzerland to reach the World Cup finals.
A contentious penalty, expertly tucked away by Ricardo Rodríguez in the 58th minute at Windsor Park, has given the Swiss a 1-0 advantage after the first leg.
Northern Ireland are aiming to become the first European team ever to overturn a first leg home defeat to reach the World Cup finals.
And the fans have travelled in numbers. Do you spot anyone you know in our gallery?
Belfast Telegraph Digital