Big B's new owner is Helena from London.

She's a regular commuter on the Underground on having seen guide horses used in America.

She liked it.

So here, compared to the short career of a guide dog, working horse could be with owner for 30 years.

Guide dogs are fantastic animals, but it's good to have choice on.

Horses can be trained, and they enjoy working that they're great companions.

So why not?

20 month old Digby was especially bred for this very job by Katie and her stables in North Allerton.

This Metro journey is a trial to see if he can hack it.

He seems to be coping with the movement better than our cameraman I thought would be good.

I thought you take it all in his stride, but this is like the first time ever on I'm speechless.

To be fair.

What a more stone on the way.

I've never seen that before.

It's a good idea yourself change.

So apart from the old nay Sayer.

People seem generally positive.

Transport for London say they'll be monitoring dig bees progress.

This Metro journey is a trial to see if he can.

He seems to be coping with the movement better than our cameraman.

I thought you take it all in.

It's Dr.

But Victor's like, Yeah, first time ever on I'm speechless.

So, apart from the old nay Sayer, people seem generally positive.

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