Link to the article on Piedra del Sol de Rocas of Santo Domingo, in the Valparaíso Region, in Chile, appeared in the supplement El Rayo of the newspaper La Estrella de Valparaísodated January 5, 2019:

http://losvikingosenamerica.blogspot.com/2019/02/conociendo-la-enigmatica-piedra-del-sol.html