Travel Reference
In-Depth Information
Geologic forces in the earth's crust heaved up the land, and the glaciers swept
it bare and shattered it like glass under their weight—dropping boulders as they re-
ceded. Rain, reacting naturally with the limestone to create a mild but determined
acid, slowly drilled potholes into the surface. Rainwater cut through weak zones in
the limestone, leaving crevices on the surface and one of Europe's most extensive
systems of caves below. Algae grew in the puddles, dried into a powder, and com-
bined with bugparts andrabbit turds(bunnies aboundinthe Burren) tocreate avery
special soil. Plants and flowers fill the cracks in the limestone. Grasses and shrubs
