<P> The Mexica saw this vision on what was then a small swampy island in Lake Texcoco , a vision that is now immortalized in Mexico 's coat of arms and on the Mexican flag . Not deterred by the unfavourable terrain , they set about building their city , using the chinampa system ( misnamed as `` floating gardens '' ) for agriculture and to dry and expand the island . </P>
<P> The Mexica saw this vision on what was then a small swampy island in Lake Texcoco , a vision that is now immortalized in Mexico 's coat of arms and on the Mexican flag . Not deterred by the unfavourable terrain , they set about building their city , using the chinampa system ( misnamed as `` floating gardens '' ) for agriculture and to dry and expand the island . </P>
where was the village that later became tenochtitlan built
where was the village that later became tenochtitlan built
a small swampy island in Lake Texcoco
a small swampy island in Lake Texcoco