Correct the sentence: 'The scenery of Cox's Bazar are beautiful.'

1. ক
   The scenery of Cox's Bazar is beautiful.
   
2. খ
   The sceneries of Cox's Bazar is beautiful.
   
3. গ
   The sceneries of Cox's Bazar are beautiful.
   
4. ঘ
   The scenery of Cox's Bazar were beautiful.