The city of cuzco is located in the andes mountains insouthern peru.
It was the center of the inca empire six hundred years ago.
cuzco is 3350 meters above sea level and it is surrounded by mountains as high as 6000 meters.
the lacal people are used to the altitude and to climbing the steep slopes of the arae.
they carry heave loads on their backs,or they use llamas.
visitors to cuzco often have difficulty adjusting to the high altitude,and it may take them several days to get used to it.