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What makes a destination attractive? The weather? Culture? Food and shopping? Beaches and activities? And what happens when popularity exceeds capacity?

Tourism is a $9 trillion industry - and growing. But where does all that money go? Are travellers getting the best bang for their buck? And are host destinations benefitting?

Development, pollution and water shortages threaten local lands as well as human and animal populations. How do we turn the tide of the environmental costs of travel?

Cultural experience is the backbone of tourism, but when does it become exploitation? With the commodification of cultures and traditions, is authentic travel still possible?

Exploring new places has always been at the heart of travel. So why do so many destinations today focus on offering the same things, the same experiences, the same look and feel?

The tourism industry is in constant evolution, but with a projected 4.3 billion people expected to travel every year by 2050, have we reached its peak?