Of all the cities I know, there are few that are more beautiful than St Petersburg. (loveliest) → St Petersburg is one of _{………………………..…………………………………………..} visited.

Of all the cities I know, there are few that are more beautiful than St Petersburg. (loveliest)

→ St Petersburg is one of _{………………………..…………………………………………..} visited.

Of all the cities I know, there are few that are more beautiful than St Petersburg. (loveliest) → St Petersburg is one of ………………………..………………………………………….. visited.