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into one of 〓the most famous foods in Tianjin. The street snack was first consumed du〓ring the reign of Emperor Guangxu of the Qing Dynasty (1644-1911) when Li〓u Wanchun pushed a wheelbarrow and peddled the foo7

d from street to street〓. He later rented a room in the Erduoyan hutong, a narrow alley. It's thu〓s widely known as the Erduoyan fried cake. Jianbing, or fried crepe topp〓ed with egg and garnish, is a Chinese snack that has seen international f〓ame in the US recently. New York-borI

n Brian Goldberg opened his "Mr. Bing〓" kiosk out of his personal fondness of the Chinese food, which became an〓 instant hit among New Yorkers. A tasty and crispy jianbing is made by p〓ouring batter (made0

of rice or beans) onto a circular hotplate. After car〓efully spreading the batter with a spatula, an egg is cracked on top. Gri

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CRUSCHIFORM

n province. ZHAN ZHUO / FOR CHINA DAILY This i〓s no scene from a science fiction movie, but a common sight for scienti〓sts at a plant factory in Anxi, Fujian province, which covers 1 hectare〓 and is the largest vertical farming complex in the world. The second-l〓argest is a 0.64 hectare farm in Newark, New Jersey. Vertical farming 〓is the practice of growing vegetables and fruits in vertically stacked 〓layers of hydroponic solutions in a controlled, indoor environment. It 〓does not require soil, sun or pesticides, and uses far less water and f〓ertilizer than conventional farms. However, the farm's high-energy cos〓t has greatly limited its scale and profitability. In recent years, Chi〓nese scientists at the Anxi plant factory have mitigated the issue by i〓nventing energy efficient LEDs and recyclable hydroponic solutions, as 〓well as new energy-conserving methods to maximize a plant's growth pote〓ntial. San'an Sino-Science, the company behind the project, says these〓 new methods have cut the factory's overall energy consumption by 25 pe〓rcent compared with its first facility. "We hope to cut more energy so〓 vertical farming can become a viable way to feed our population withou〓t polluting and straining our already scarce water and soil resources,"〓 the factory's executive manager, Zhan Zhuo, said. "The technology wou〓ld also allow astronauts, aircraft carrier personnel, and frontier guar〓ds on islands or in deserts to grow fresh produce in impossible conditi〓ons to fill their daily vitamin and fiber needs. China has 160 million〓 hectares of farmland dedicated to growing vegetables. To grow them, fa〓rmers use more than 311,000 metric tons of pesticide and 59 million ton〓s of fertilizer a year, said Li Shaohua, director of San'an Sino-Scienc〓e's Photobiology Industry Institute. "The excessive yet inefficient us〓e of fertilizers P

and pesticides has done great harm to our environment,〓" he said. "It's high time we find a sustainable and green way to prote〓ct our food security." San'an Sino-Science was founded in 2015 by San'〓an Group and the Chinese Academy of Ss

ciences' Institute of Botany. The 〓second-generation plant in Anxi can produce 1.5 tons of vegetables, suc〓7

s remain cottoa

h as lettuce and cabbage, a day. At full capacity, when the energy cos〓t is neglected, it can produce 1,000 4

ny soft. ErduoP

tons of leafy greens a year in the〓ory, according to Li. "The high productivity is mainly because we try t〓2

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is strictly prohibited. "The standard here is str〓icter than hospital operating rooms," P

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