A man holds a U.S. flag while receiving his proof of U.S. citizenship during a ceremony in San Francisco, California January 30, 2013.
ຊາຍຜູ້ນຶ່ງ ຖືທຸງຊາດສະຫະລັດ ໃນຂະນະທີ່ຮັບໃບຍັ້ງຢືນ ສັນຊາດອາເມຣິກັນ ໃນພິທີທີ່ San Francisco, California, 30 ມັງກອນ, 2013.