house. a first daughter drops by the oval office to see her dad. the president with an aide s twin sons, mom wiping away a tear. the year-end gallery of white house photographer pete souza, there with mr. obama day in and day out from the start, giving nbc news an exclusive first look. i probably take between 500 and 2,000 a day. probably about a quarter million a year. somewhere in that. over seven years. so we re talking so i m yeah. a lot of pictures. reporter: part of souza s mission is to document history. president obama and the first family greeting pope francis. a handshake with cuba s castro. a big smile after the iran nuclear deal. mr. obama there for vice president biden at his son s funeral. he is the president of the united states but he s also a human being. i try to show his personality as best i can. there is obviously a lot of pictures with little kids in my year-end gallery.
seventh year in a row. nbc s ron allen is with the president in hawaii and has a look at some of these great pictures. reporter: they are unique behind-the-susta behind-the-sustains close-up images of the president. serious matters inside the white house. a first daughter drops by the oval office to see her dad. the president with an aide s twin sons, mom wiping away a tear. the year-end gallery of white house photographer pete sousa, there with mr. obama day in and day out from the start. giving nbc news an exclusive first look. i probably take between 500 and 2,000 a day. probably about a quarter million a year. somewhere in that. reporter: over seven years. over seven years. so yeah, a lot of pictures. reporter: part of sousa s mission, to document history. president obama and the first family greeting pope francis.