Question

What was China's most spectacular construction project?​

Answer 1

$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.

Answer 2

I'd say the Great Wall of china

Step-by-step explanation:

built over 2300 years ago, it's over 20,000 miles long!