KOTOR, Montenegro, Aug 9 (Reuters) - A UNESCO World Heritage Site nestled on the edge of a picturesque Adriatic bay, the town of Kotor in Montenegro is struggling to cope with a surge in tourism that is clogging its narrow streets and raising environmental concerns. "The life of our neighbours is becoming increasingly difficult during the tourist season," said Jovan Ristic, director of the local tourist organisation, who backs an increase in the cruise ship visitor fee. In case you have virtually any questions relating to wherever in addition to the best way to utilize online casino, it is possible to e mail us with our own web-page. Many visitors arrive on the hundreds of boats, yachts, and cruise ships that dock daily in Kotor's harbour, leading some people to call for a hike in the 1-euro ($1.09) fee that visitors from cruise ships are charged to enter the town.