mysql - Select Multiple rows then join for each row -

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i have table stores each location user watching. table called usercity , pictured below example row.

enter image description here

i need select rows user_id='1', , retrieve each location_id's record location table, pictured below:

enter image description here

i not sure start here, here's lame attempt:

   select b.* usercity join location b on a.location_id=b.id user_id='1'

edit query works 1 record. not sure if work multiple rows.

try below-

select a.*, b.*  usercity join location b on a.location_id=b.id user_id=:uid

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