What is the main source of energy in a shady stream?

Assuming this is a question on a test just name a restaurant by your house and the state you live in, its not too difficult : )

Answerjoe ran 130 yards;

Humans have survived and thrived in mexico city by using technology to create greater access to land. when the spanish conquered the aztec capital, tenochtitlan, in the 16th century, they built mexico city by draining the lakes and filling in the lake water to create more arable land for agriculture. this technique of land reclamation has continued to be fundamental to human civilization in mexico city. 

There is no map could you put up a picture of the map and i will try to .