<prompt> Translate the following text to EnglishBarafu za kale ziliharibu mabonde mengi, na kuunda nafasi kwa maziwa wakati yalipokuwa yakiyeyuka mwishoni mwa enzi ya barafu ya mwisho, karibu miaka 8,000 KK.  <response>: Ancient glaciers eroded many of the valleys, creating space for the lakes as they melted at the end of the last Ice Age, approximately 8,000 b.c. 