The Red Sea coast of Egypt is surely one of the best places in the world to go underwater diving. Its hot climate and clear water make it the ideal place for beginners as(1)______as for experienced divers, at any time of the year. (2)_____ over fifty diving centres in the area, many different types of diving are possible. At centres for complete beginners there are training courses (3)_____ include simple dives with a qualified instructor. These dives (4)_____them used to being underwater and teach some basic skills (5) ____as swimming and breathing below the surface. More experienced divers can choose (6)____a vast range of possible activities and many of these can be enjoyed(7)_____ as part of a group or, if they prefer, alone. Some like to explore the coast of the National Park, where the steep cliffs extend underwater to a depth (8)____more than seventy metres. For dives of (9) _____kind it is advisable to be accompanied by a guide, on (10)_____of the strong currents which can suddenly change direction.