Every time I see this famous tracking shot from Wings (1927), my mind boggles. Even though I know how it was done, the sheer artistry of it beggars belief.
For those of you who are interested, it was done with a suspended camera rig.
And, yes, that IS a lesbian couple at one of those tables. Wings was groundbreaking in so many ways. It also features the first ever male same-sex kiss in Hollywood history.