“We’re using our imaginations.”

Diamond & Silver are the Peas. Okayyyyyyyyyyyyyyyyyyyyyyyy……………….

@Background Pony Number 17
 
Don’t forget the screaming.

@Joshua  
I could see Pinkie Pie leveling a city wall by trotting around it for seven days blowing a trumpet.

@Dirty Bit  
Crystal empire maybe?

@warc9
 
The better question is, what’s the Promised Land in this scenario? Equestria?

But did Mexico pay for the Yuuge wall?

Have Luna be the strange mare with a sword Pinkie meets at night.

See, the joke of it is “Josh” is short for the name “Joshua”.