… spaces. Dr. Lentz shared examples from his work at Joya de Cerén in El Salvador, Tikal in Guatemala, and Calakmul in … and linguistic evidence for the origins of the Yumbo people beginning at 800 C.E. around what is now Quito, and … On March 29, Dr. Iván Ghezzi, researcher at La Universidad de Piura, will discuss his work on the Chankillo solar …