what documents are needed for k1 visa interview?
['DS-160 Confirmation. ... ', 'Form I-129F, Petition for Alien Fiancé ... ', 'Form I-797, Notice of Action (petition approval notice) ... ', 'Valid passport. ... ', 'Medical Examination. ... ', 'Form I-134, Affidavit of Support. ... ', 'Passport-style photos.']