<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>
why did the aztecs built floating gardens in their capital city of tenochtitlan
why did the aztecs built floating gardens in their capital city of tenochtitlan
for agriculture and to dry and expand the island
for agriculture and to dry and expand the island