A civic reception.
civic
civic
Mayor
In the case of London - "The Rt Hon The Lord Mayor of the City of London"
Yes, Mayor Pro Tem should be capitalized as it is a formal title given to a member of a city council who acts as mayor in the absence of the actual mayor.
civic
civic
A palindrome for relating to a city and citizenship could be "civic." This word is a palindrome and is often associated with cities and civic duties related to citizenship.
civic
the answer is civic.
civic
civic