end of mastadons, mammoths, saber-tooth tigers, and end of ice age

11,000 years ago, more or less…… Enigmatic catastrophe #1: the disappearance of the mammoths, mastodons, saber-sooth tigers and many other species…………WHY? Enigmatic occurrence #2: end of the last ICE AGE….WHY? The “injuns” were surely in North, Central, South America, building monuments and mounds, usually with solar and /or stellar alignments. Like with the pyramids, british constructions, others. I don’t feel like getting pics, so I’ll just post generic and Donaldsonville area pics guitars, bellowing: paul marchand, louisiana