Lots of people enjoy spending time at the seaside. Some of them like diving very much. They say that underwater life is very_____________ (BEAUTY). However, for most of us scuba diving is _____________ (POSSIBLE). Snorkeling is much easier. It is also less _____________ (DANGER) than diving with an aqualung. Snorkeling _______________ (EQUIP) contains only a special mask and a curved tube. With the mask you can see the underwater world, it has rubber straps to fit your head ______________ (COMFORTABLE), and you use the tube to breathe. If you are not a very good _______________ (SWIM), the best place for snorkeling is on a reef. It’s not deep but there are lots of colourful fish.