Tourism backlash: "As long as humans have traveled, cultures have clashed and the environment has paid a price," says professor Phaedra C. Pezzullo, author of the book "Toxic Tourism."
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Gross misconduct: YouTube vloggers Sabina Dolezalova and Zdenek Slouka issued a public apology after Slouka was filmed lifting his girlfriend's skirt at a temple in Bali's Sacred Monkey Forest Sanctuary.
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New regulations: Italian capital Rome has introduced guidelines for tourists which prohibit them from eating snacks in public places and sitting on the staircases of historic monuments such as the Spanish Steps.
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Dying city: Venice has been plagued by over crowding, with an estimated 25 million tourists visiting the Italian destination each year.
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Destination overload: France is the most popular country in the world to visit -- capital Paris welcomes over 30 million foreign visitors per year.
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Local protests: In 2017, 150,000 people marched against the growing number of tourists flocking to Barcelona.
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Soaring numbers: Netherlands tourist officials have opted to stop advertising Amsterdam as a tourist destination after a surge in visitors.
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Unsavory behavior: The city's government is ending tours of the Red Light District in central Amsterdam amid concerns that sex workers were being treated as a tourist attraction.
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Dress code: Dubrovnik is one of several Croatian destinations to issue codes of conducts for tourists, bringing in fines for anyone walking around the towns shirtless or in swimwear.
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Etiquette guide: China issued a 64-page etiquette guide for its residents in 2013 after several incidents of Chinese travelers being called out for bad behavior.