1. A refrigerator comprising: a storage compartment formed in a cabinet of the refrigerator by a fixed insulation wall, the storage compartment being provided with an access opening; a door rotatably provided to the cabinet and arranged to open and close the access opening; a camera fixedly provided to a ceiling of the storage compartment and arranged to photograph an interior of the storage compartment to update information about food in the storage compartment; a door switch arranged to sense an opening or a closing of the door; a door sensor arranged to sense an angle of opening of the door; and a controller configured to: switch the camera between a standby mode and a drive mode for beginning a photographing operation based on sensing by the door switch; and select a photograph, from among a plurality of taken photographs, based on sensing by the door sensor.