 
                                                Giant's Causeway: instant contact between hot lava and cold water produces a spectacle
                                                    The Giant's Causeway on the Atlantic coast about 80 km northwest of Belfast is Northern Ireland's most prestigious tourist attraction and a World Heritage Site.
                                                
                                             
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                     
                                     
                                     
                                     
                                     
                                     
                                 
                                 
                                 
                                