"Nah, " one man, who said he was from Harbin in the far north of Manchuria , said dismissively.

Secondly, through comprehensive, plentiful, in-depth investigation, introduces the present situation in the exploitation and utilization of the underground space in Harbin City.

It summarizes some features and methods in the amendment of the master plan of Harbin City and puts forward some helpful experiences for reference in order to improve the quality of the master plans.

Methods With Middle School Student Mental Health Scale(MSSMHS) and Suicide Attitude Questionnaire(QSA), 2 442 middle school students recruited from 12 middle schools in Harbin were surveyed.

In Harbin City, capital of northeastern Heilongjiang Province, four expressways were partially closed and 20 flights were delayed as fog reduced visibility to less than 50 meters.