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“If they can put a limit on tourism, whether by cruise ship or plane, that may be necessary to have a cut-off,” one tour guide, who declined to be named, told CNN Travel. “I worry that at some point, the numbers become unsustainable.”
For Llobet, that means using technology to ease the impact of tourism on Valencia. She has started a project to produce “heat maps” of the city that tourists and guides can use to show which areas are more congested, suggesting alternative routes and to encourage tourists to visit other sites in the city.
“We have a lot of data. We are measuring air pollution; sound pollution and we are starting a project on carbon emissions.” Llobet said, “We want the impact of the tourists to be positive. You know, 70% of the employment in the city depends on the service sector that is absolutely linked with the tourists.”
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