'Red lights are flashing': Athens tourism explosion threatens ancient sites

Visitor numbers to hit 30m - three times nation's population - as experts grapple to balance economic gains with conservation Hoards of tourists huddle in groups along the cobbled boulevard beneath the Acropolis on a late November morning more summery than autumnal. Others get on and off the open-top doubledeckers running the riviera route. A man dressed as an ancient marathon warrior poses "for a fee" with the majestic citadel in the background. "We're having a great year," says the Greek touri...