infrastructure you have to have designated areas where canoeist can get in and out of there both. of those places you need. public transport places to. sustainable tourism means ensuring people don't get out in the middle of a conservation area and cause damage still a lot to do but it sounds like a lot of fun. obviously to absolutely and i love it when visitors like what they see. this bridge in sylmar and this statue of st john of me are very special they're made of so called london marble which was mined in this area for centuries axel becker is an expert and takes me to a former quarry millions of years ago this was a reef in the ocean the continental drift carried it north along with fossilized sea creatures and sediments. and here you can see this is a coral. sea and this is a sea shell. put that on it after.