Minutes after it collided with a 10,000-ton cruiser, the HMS "Tiger" sank to the bottom of the English Channel. Divers and historians have spent the past four years searching for the Royal Navy vessel

Stretching 18km between modern day Kwai Chung (then known as Gin Drinkers Bay) to Port Shelter in Sai Kung, the Gin Drinkers Line was a massive defensive structure built by the British army, dubbed as