and this is the river‘s source, the magnificent savica waterfall, bursting from two separate points one. and my intention is to follow the river from here, at its very beginning, until it meets the danube, in belgrade. it‘s a near 1,000 kilometre course, flowing through four countries that just over 25 years ago werejoined as part of yugoslavia. the emerald waters snake through the cliffs and then widen into one of the sava‘s main tributaries, which has now become famous for watersports. and i‘m getting a face first perspective. this is bellyaking. and, yep, there‘s a hint in the name. it looks like a kayak, but you lay on top of it and use your hands to paddle. like many slovenian kids, luka grew up in the countryside and the sava was a huge part of his childhood. i spent my whole life in the same house about 50 metres away from the river, so when i wake up, if i had my window open, i can already hear it. here in slovenia, the river isn‘t just used for watersports — it‘s an important source of hydropower, and luka thinks the river also has an important role to play in uniting the comm

and this is the river's source, the magnificent savica waterfall, bursting from two separate points on four countries that just over 25 years ago were joined as part of yugoslavia. the emerald waters snake through the cliffs and then widen into one of the sava's main tributaries, which has now become famous for watersports. and i'm getting a face first perspective. this is bellyaking. and, yep, there's a hint in the name. it looks like a kayak, but you lay on top of it and use your hands to peddle. like many slovenian kids, luka grew up in the countryside and the sava was a huge part of his childhood. i spent my whole life in the same house about 50 metres away from the river, so when i wake up, if i had my window open, i can already hear it. further down the valley, two tributaries merge and the sava starts its journey proper. and at the fork in the rivers lies this majestic castle, lake bled, and its historic castle of the same name. this is slovenia's oldest castle, first built in medieval times. it's got a kind of fairytale ambience to it and, because of its location, it's been a s