Shows some of the ruins that prove what a wonderful civilization they had in those days. Some of the structures that are shown could not be constructed today with all the wonderful engineeri... Read allShows some of the ruins that prove what a wonderful civilization they had in those days. Some of the structures that are shown could not be constructed today with all the wonderful engineering contrivances that we have at our command.Shows some of the ruins that prove what a wonderful civilization they had in those days. Some of the structures that are shown could not be constructed today with all the wonderful engineering contrivances that we have at our command.