SELECT DISTINCT Hometown FROM people EXCEPT SELECT DISTINCT T2.Hometown FROM gymnast AS T1 JOIN people AS T2 ON T1.Gymnast_ID  =  T2.People_ID
From which hometowns did no gymnasts come from?
SELECT DISTINCT Hometown FROM people EXCEPT SELECT DISTINCT T2.Hometown FROM gymnast AS T1 JOIN people AS T2 ON T1.Gymnast_ID = T2.People_ID
select distinct hometown from people except select distinct t2 . hometown from gymnast as t1 join people as t2 on t1 . gymnast_id = t2 . people_id
From which hometowns did no gymnasts come from ?