An enamelled glass goblet circa first century AD depicting figures harvesting dates and found in Begram, is pictured during a preview of the exhibition "Afghanistan: Crossroads of the Ancient World" at the British Museum in London March 1, 2011. The exhibition, which displays precious and unique pieces on loan from the National Museum of Afghanistan in Kabul, opens on March 3 and runs until July 3. REUTERS/Suzanne Plunkett (BRITAIN - Tags: ENTERTAINMENT SOCIETY POLITICS)