the scientists from the university of prague have been coming here regularly for the past 5 years the remote valley in the fog or rush mountains is an ideal place to do research more than a 1000 hectares of untouched landscape from the mountain tops down to the valley floor that's rare in europe these days. over 95 percent of all european wooded areas are manmade commercial for a system in its original natural form. is really important to both of our views especially in times off for climate change values like these are the only places where we can really observe that how the 3 species will naturally put on these conditions after climbing for 3 hours we finally reach the site where the scientists have chosen to count they'll be based here for a whole week from here they can explore the surrounding mountains and study the forest to discover its secrets. the next morning the group sets off equipped with numerous measuring instruments they head deeper into the forest. making headway isn't easy. what's more they're clearly not alone. here in their lives you can see the. bare foot prints a