Documents Salt Sunday. In the past a sea spread from Northern Ireland, through Cheshire towards Poland....

Slide 1 Salt Sunday Slide 2 In the past a sea spread from Northern Ireland, through Cheshire towards Poland. Eventually it dried up leaving salt flats like those in Utah.…

Documents Salt Sunday

Salt Sunday In the past a sea spread from Northern Ireland, through Cheshire towards Poland. Eventually it dried up leaving salt flats like those in Utah. AFP/Getty Images…