It is an image of an engraving of a man walking a horse and it was made using a technique known as heliogravure.

照片照的是一幅版画，内容是一个人牵着一匹马在走。 它是由一种叫凹版拍摄的技术完成。

youdao

Walking your horse (and business) is especially enlightening because you are walking at a nice pace but still you can smell and experience nature.

遛自己的马(和做自己的生意)给人启迪更大，因为你走的每一步都小心翼翼，恰到好处，同时，依然能够感受大自然。

youdao

A person born in 1900 began with horse-drawn buggies and died with men walking on the Moon, but the last few decades have seen nothing like that sort of technological advance.

一个1900年生的人，出生的时候还是马车的时代，而过世时人类已经能在月球上行走。但是在过去的几十年里，这样的技术进步从未发生。

youdao

Try walking around a horse's rear with your arm resting on his back without breaking stride--remember, we're taught to fear getting kicked.

FORBES: Ballancing Act

The first rider decided not to speak to me but, instead, to urge his walking horse into a gentle trot - away from me.

BBC: Newsline investigates deer carting issue

An abandoned horse that looked like a "walking skeleton" and was forced to eat tree bark to survive has been rescued from a field in Hertfordshire.

BBC: Maggie the horse