Barack Obama, the US president, has pledged to close down Guantanamo Bay, the military prison in Cuba.
But in Afghanistan, hundreds of people are still detained without charge at a "secret" prison in Bagram airbase, the largest US military hub in the region.
The US authorities recently permitted journalists to see the updated and expanded facility, which cost nearly $60m.
James Bays joined the tour and sent this report.
Source: Al Jazeera