潜水的建议联合王国

.．.我litary operation, with divers used to clear mines or repair damaged ships during battle. Diving helmets and bells were far from commercially viable for the general public, so it was only with the advent of the aqualung that people began to enjoy the relaxing sport of scuba diving. Scuba diving in and around the UK differs greatly from the tropics - water temperature is far colder, and visibility is rarely as clear – but it’s far from bad. In fact, diving here can be considered much more challenging, and learning in these waters gives plenty of experience for underwater exploration around the ...