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As safety functions of major infrastructure and environment are indispensable to ensure the safety of cities, Chen suggested that cities should further upgrade themselves and dig for more growth potential in their underground spaces, as well as improve fire-fighting technologies and related equipment to facilitate these moves.

As traditional paddy rice farmers tend to share labor and coordinate irrigation, southerners are believed to be more interdependent and cooperative than people in the wheat-growing north, who do not need so much help from neighbors to farm, and are believed to be more individualistic.

As the largest steel company in South Korea, POSCO has been rated as the world's most competitive steel enterprise by industry journal World Steel Dynamic (WSD) for 10 consecutive years.

Asad Jumabhoy, founder and CEO of UTU, a digital rewards platform.[Photo provided to chinadaily.com.cn]

As seen in the yuan's rate against the dollar since April, the deviation between the yuan's closing rate and its central parity rate has been widening, with the closing rate most of the time weaker, said Chen. "The introduction of the 'countercyclical factor' will help reduce that deviation."