Is Barcelona being spoilt by tourists?

VIDEO: http://news.bbc.co.uk/2/hi/programmes/fast_track/9533632.stm

Around 10 million tourists are expected to visit Barcelona in the year 2012. The city has experienced a rapid growth in the tourism sector over the past few decades.
But not everyone is happy with the influence that these visitors are having on the city.
Rajan Datar travelled to the Catalan city to find out if mass tourism is spoiling Barcelona's charm and authenticity.