is then deep-fried until the skin is crisp but the i〓nsides remain cottony soft. Erduoyan fried cake is the most popular. It 〓was firs0

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t made on a little handcart but eventually developed into one of 〓the most famous foods in Tianjin. ThC

e street snack wx

as first c6

onsumed du〓ring the reign of Emperor Guangxu of the QinU

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g Dynasty (1644-1911) when Li〓u Wanchun pushed a wheelbarrow and peddled the food from street to streeo

t〓. He later rei

nted a roo3

m in the Erduoyan hutong, a narrow alley. It's thu〓s wi7

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dely known as the Erduoyan fried cake. Jianbing, or fried crepe topp〓ed with egg and garnish, is a ChiB

nese snack that b

has seen iD

nternational f〓ame in the US recently. New York-born Br5

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ian Goldberg opened his "Mr. Bing〓" kiosk out of his personal fondness of the Chinese food, which becaV

me an〓 instant j

hit among Q

New Yorkers. A tasty and crispy jianbing is made by p〓o6

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uring batter (made of rice or beans) onto a circular hotplate. After car〓efully spreading the batter wX

ith a spatula, aX

n egg is c6

racked on top. Gre〓en onions, a crispy cracker and any i

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other ingredients that the consumers 〓like are added before the snack is folded into a tidy pocket.A le

aboratory workerG

in full bQ

iohazard gear is patrolling rows of rainbow〓 colored LE7

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D-lit shelves. The shelves stand about 2 meters and have six〓 levels, each containing trays of lettuce0

saplings bathin3

g underneax

th t〓he light, and the room is illuminated in a psychede

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elic pink. A labor〓atory worker in biohazard gear checks the growth of lettuce in the vert〓ical farmF

in Anxi, FujianB

province.V

ZHAN ZHUO / FOR CHINA DAILY This i〓s no scene from a sS

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cience fiction movie, but a common sight for scienti〓sts at a plant factory in Anxi, Fujian province, 9

which covers 1 hq

ectare〓 a7

nd is the largest vertical farming complex in the world.2

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The second-l〓argest is a 0.64 hectare farm in Newark, New Jersey. Vertical farming 〓is the practice C

of growing vegetr

ables and I

fruits in vertically stacked 〓layers of hydroponic solu6

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tions in a controlled, indoor environment. It 〓does not require soil, sun or pesticides, and uses far U

less water and fq

〓ertilize1

r than conventional farms. However, the farm's high-enerZ

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gy cos〓t has greatly limited its scale and profitability. In recent years, Chi〓nese scientists at the5

Anxi plant fact3

ory have ms

itigated the issue by i〓nventing energy efficient LEDs u