inhabitance lived in city. Four major city’s; Mexico city, estan bul, chang hi, and new York. A major delima of 21st century how to shelter and abstain the worlds exploding population with destroying the delicate blance or our environment. NASA; national aeronautics and space administration,,,,W.K. Kellogg foundation wkf.org work involves building a more sustainable food system.
Mexico city; ancient gathering place with rich history of Spanish cultures, a 24 hour a day city that never sleeps. 20milon…
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