The products from the Highlands and the Coast is exchanged frequently and so we see the apples of the Highlands being traded for the fish from the Coast. We see clearly the co- existence of the peoples from both parts. Productos de Sierra y Costa se intercambian mutuamente. Asi vemos manzanas de la sierra intercambiada con peces de la Costa, de esta manera podemos ver claramente la co-existencia entre las comunidades de ambas partes.