"There is no world without Verona walls..."

"...hence banished is banished from the world..."

"...every cat and dog and little mouse, every unworthy thing live here in heaven..."

"and may look on her, but Romeo may not; he is banished...
And say thou yet, that exile is not death?"

The declarations of the modern-day Romeos and Juliets cover the walls inside and out:
(Shout out to the Bard for providing the script for this post)