00447nam a2200085Ia 4500008004100000245002100041300023300062650001300295856005300308170517s9999    xx            000 0 und d  aIce Age Meltdown  a18,000 years ago there was a sudden change in climate which ends a global freeze which had lasted for several thousands of years. Melting ice caps drive up sea levels to create coastlines we recognize today and great glaciers...  xScience.  uhttp://topdocumentaryfilms.com/ice-age-meltdown/