Roujiamo or rougamo is a street food originating from the cuisine of Shaanxi Province and widely consumed all over China. In the United States, it is sometimes called a Chinese hamburger.
Wikipedia https://en.wikipedia.org/wiki/Roujiamo
Address 31号-47号 E Mutoushi, Beilin, Xi'an, Shaanxi, China, 710001
Coordinates 34°15'27.223" N 108°56'50.561" E
