It's the old over-and-under routine. First we go over the traffic and through the museums, and then under again and up into this church.
15 seconds sound clip from the The Italian Job (1969) movie soundboard.
You can hear this line at 00:37:54 in the Blu-ray version of the movie.
Quote context
[...]
- Uh... Oh, yeah, the transporters will move in here and here, and they'll block off the main drag.
- Right.
- Roger.
- The bullion van will be entering the piazza, and will be forced slowly towards the centre.
- Now, the bullion wagon is here. Right?
- Dominic.
- We get into the Minis behind the piazza.
- Right.
[...]