The Ming dynasty rebuilt the great wall, what still stands today is what they built. The government was run by a organization called civil service and you had to take an exam to get in.
The Ming dynasty rebuilt the grand canal which made their economy flourish.This also helped their trade a lot.
The Ming dynasty had an emperor that lived in a palace called the forbidden city. No one could get in without an invitation. The city was in the capital Beijing. It took 1 million workers and 15 years to build.