introduction ancient homeland ancient footprints longgu mountain of jiayin origin of human civilization origins of minority ethnic groups in heilongjiang green black soil agriculture on the vast plains huge natural forests pearl on the black earth ethnic hunting groups in the north elunchun people on horseback with fine marksmanship brave and intrepid dawoer people hezhe people inseparable from fish ardent and valiant mongolian people kerkezi people living on animal husbandry diligent and intelligent xibo people dancing and singing korean people great passage between asia and europe the construction of the zhongdong railway and the urban development of heilongjiang suifenhe -- a mountainous border city heilongjiang river -- a border river heihe city -- a border port daheihe island -- "locomotive" for the construction of the gateway for sino-russian trade fuyuan county -- bridgehead for the opening of heilongjiang the "gold road" of heilongjiang the industry of heilongjiang province industrial belt zone of harbin, daqing, and qiqihar harbin -- powerhouse daqing -- capital of crude oil qiqihar -- one of china's old industrial bases constructing six industrial bases of china tourism in the north folk lifestyles, customs, and special and native products fish resources in heilongjiang tourist sites in heilongjiang harbin -- pearl on the neck of a swan lilacs -- city flower of harbin the arts of ice-carving and snow-sculpture in harbin the arts of construction in early twentieth century harbin summer concert in harbin harbin economic and trade fair places of interest in harbin tourists should not miss annex