The phrase "veritable oceans" in paragraph 2 refers to... 1. ...hotel dining rooms. 2. ...hotel guests wearing white hats. 3. ...old people dining in cafes. 4. ...buses crowded with old Welsh people.

The phrase "veritable oceans" in paragraph 2 refers to... 1.  ...hotel dining rooms. 2.  ...hotel guests wearing white hats. 3.  ...old people dining in cafes. 4.  ...buses crowded with old Welsh people.