Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE gymnast (Gymnast_ID VARCHAR)
TABLE: CREATE TABLE people (Hometown VARCHAR, People_ID VARCHAR)

### Question ###
What are the hometowns that are shared by at least two gymnasts?

### Accurate SQL ###

SELECT T2.Hometown FROM gymnast AS T1 JOIN people AS T2 ON T1.Gymnast_ID = T2.People_ID GROUP BY T2.Hometown HAVING COUNT(*) >= 2