(Boring and Dull! They must have Boring and Dull schools, and Boring and Dull streets.
In Scotland the sign will probably read "Dull - Twinned with Boring", the sign in America might read: "Welcome to Boring, sister community of Dull". It's so tempting to make some more silly jokes using these names as adjectives (click on the source link to read some).
We will discuss this in today's Skype session, bring your puns.)