How thick were the walls of Jericho?

it is about 6 feet thick-and don't you mean how not who?

Jericho and Nineveh are two quite different cities, each at various times with its own walls.Jericho is believed to be one of the oldest walled cities in history. Each time the city was abandoned...

Jericho is a very ancient city and it had high walls on several occasions long prior to the late bronze age, the period when the Israelite army is supposed to have caused the walls to fall. However,...

Depending on the size of the tank, it could be from 1/2 inch to 2 inches thick.

For strength and security against invaders. Also to be strong against some harsh Irish weather.