Dating site in bolivia
Within this valley, younger and lower lake plains are lacking (Lavenu 1981: Fig. I have also examined the "wharf" described by Posnansky (1943).
So far, I find the same lack of evidence for it having been a "wharf" as for Tiwanaku having ever been a port.
I teach second grade in an English speaking private school in Bolivia.
The plain of Lake Ballivan, except where cut out by younger fluvial valleys, extends from the modern Lake Titicaca shoreline eastward (up-valley) past Tiwanaku.