关于潜水的建议荷兰人

...r temperature ranges between -2 and 24 degrees Celsius between winter and summer. Along the North Sea coast, there are said to be over 10,000 shipwrecks alone. While most of these wrecks are outside of recreational diving limits, some of these wrecks make an interesting dive trip for the advanced diver, as North Sea diving can be rough and known for its currents. For those divers who want to explore more wrecks than recreational diving limits allow, there are centers offering technical dive courses. The Dutch have a way with dams and their efforts to keep the water from flooding their coun...