Ancient people's way of traveling, the world is so big, the ancients how to go

Then the horse is equivalent to today's car, the average person can not afford to spend. Hua Mulan before the war, "East City to buy steeds", Bai Juyi Qiantang River spring trip in the 'shallow grass can not have horse hooves', the ancients also selected the famous horse, the importance of visible horse. In addition to horses, the ancients also have a lot of mounts, such as cows, sheep, donkeys, mules, etc., adhering to the principle of "as long as you are taller than me, faster than me, I can ride you".