Seven days at Heathrow: Writer's extra-long lay over

By Becky Anderson, CNNUpdated 25th July 2012
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Becky Anderson visits Heathrow's multi-million- dollar Games Terminal that will host 80% of travel during the Olympics.
Heathrow is at 99.2% capacity and bursting at the seams. Becky Anderson visits one of the world's busiest airports.