Use of English PRO

It seems (0) UNBELIEVABLE (BELIEVE) that the world (1) ............ (FAME) Giants' Causeway is located on the coast of County Antrim, in (2) ............ (NORTH) Ireland, and is considered to be one of the (3) ............ (GREAT) natural wonders of the United Kingdom. It is made up of thousands of interlocking basalt columns, which are the result of an ancient (4) ............ (VOLCANO) eruption, which occurred some 50 million years ago. These (5) ............ (HEXAGON) columns lead from the land out into the Irish Sea, where they (6) ............ (APPEAR), and there are identical columns on the (7) ............ (SCOTLAND) side of the sea giving the impression that the structure is in fact a land bridge, or causeway, between Ireland and Scotland which, according to legend, was created when Irish giant Finn MacCool was challenged to a fight by the (8) ............ (NEIGHBOUR) giant, Benandonner. In 1986, the Giant's Causeway was declared a UNESCO World Heritage Site and, since then, has attracted many visitors from around the world.