What from nature might have given the Egyptians the belief that they would have life after death?

http://www.google.com/search?hl=en&as_q=why+egyptians+believed+in+life+after+death&as_epq=&as_oq=&as_eq=&num=10&lr=&as_filetype=&ft=i&as_sitesearch=&as_qdr=all&as_rights=&as_occt=any&cr=&as_nlo=&as_nhi=&safe=images

There may be good information in here, especially in the first 5 or 6 links.