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Pho, delicious pho.

D.C.’s food truck scene just got a little more diverse with the start of Phonomenon, the city’s first pho truck. Look out, San Francisco!

The prevalence of the Vietnamese noodle soup in the District-proper has grown in recent months. Pho DC opened its doors in Chinatown this past winter, and Instant Noodles, which serves pho in addition to other dishes, opened this month in Adams Morgan.

Most of the District’s estimated 1,600 Vietnamese residents reside in the Columbia Heights area, where Pho 14 and Pho Viet are located. But those searching for a plethora of Vietnamese restaurants and businesses may find themselves leaving the District — Fairfax County, Va., where an estimated 26,000 Vietnamese reside, is also home to Eden Center, a large Vietnamese shopping center and self-proclaimed “heart and soul” of the East Coast Vietnamese community.