La Paz, Mar 27 (EFE).- The government of Bolivia announced it will start exploratory excavations this year at the ancient fortress of Tiahuanaco after a buried pyramid was detected. Ludwing Cayo, director of the Tiahuanaco Archeological Research Center, told Efe that the formation is located in the area of Kantatallita, east of the Akapana pyramid. In a presentation for the media, Cayo outlined a five-year for further research at Tiahuanaco, an archaeological site 71 kilometers (44 miles) west of La Paz that was the cradle of an ancient civilization predating the Incas. Excavations may start in May or June, depending...