sentences:  Over the past 6,000 years Mount Kenya has had a series of at least six minor glacial advances as well, with the final maximum at the end of the little ice age in 1900.The fact that the East African climate was much colder generally can be seen by looking at the other mountains such as Mt Kilimanjaro, Mt Ruwenzori and Mt Elgon.They are all isolated pockets of similar alpine ecosystems with similar fauna and flora.