Answer:
I'd say the Great Wall of china
Explanation:
built over 2300 years ago, it's over 20,000 miles long!
$322 BILLION: By 2030, China plans to round up 42 million people from a nine-city region into one giant megacity in the Pearl River Delta. The population is expected to hit 80 million by the time construction ends.
Thnx!
B. They didn't have to be built next to streams and bodies of water.
a
jerusalem (it was right on edg) good luck
