Commuters Going Through Ticket Barriers At Edgware Road Underground Station

The video tutorial provides an overview of underground environments and explores the characteristics of dogs.

What do you think the term 'underground' refers to in the context of dogs?

How might dogs be associated with underground environments?

What characteristics might differentiate underground dogs from other types of dogs?

In what ways do you think the environment affects the behavior of underground dogs?

Can you describe any specific breeds of dogs that are known for underground activities?