inrnationacooperatn, the derioratioof cozum's coralreefsn around 70 million euros in income annually.hristopher: if we lose water quality, if we lose the clear of the water and we lose species, 12% of the people that come to cozumel won't come back. so we are working hahard to mae ththe people morore conscious t that. and when i say people, i mean tourists. but also the guides that go with the tourists. they're like our ambassadors. what the guides show, what is correct, the tourists will do that. chchstian: diving instructor raunundo ramez i is we awarere of that relationship. the conservation authorities know he's sticking to the rules, because he has to renew his tour guide license every year. -- two years. raymundo: el cielo nowadays is one of the most popular places in cozumel, because the water is turquoise, beautiful blue, only one and a half meters deep. and it's full of starfish. and usually the people arrive in this place and take the starfish out of the water, take the selfie, and put it back. maybe the starfish is goining o be dead the next day. that is the lack of educati

ternatiol cooperion, the german corporation for derioratioof cozum's coralreefsn atacaction -its s unueoralal around 70 million euros in income annually. christopher: if we lose water quality, if we lose the clear of the water and we lose species, 12% of the people that come to cozumel won't come back. so we are working hahard to mae ththe people morore conscious t that. and when i say people, i mean tourists. but also the guides that go with the tourists. they're like our ambassadors. what the guides show, what is correct, the tourists will do that. chchstian: diving instructor raunundo ramez i is we awarere of that relationship. the conservation authorities know he's sticking to the rules, because he has to renew his tour guide license every year. -- two years. raymundo: el cielo nowadays is one of the most popular places in cozumel, because the water is turquoise, beautiful blue, only one and a half meters deep. and it's full of starfish. and usually the people arrive in this place and take the starfish out of the water, take the selfie, and put it back. maybe the starfish is goining