He pikitanga matamua Hongshan , he pikitanga hidrauliki, Hongshan he pikitanga hidrauliki, Hongshan he pikitanga hidrauliki, he pikitanga tapatahi, he pai, he nui rawa te utu He kaha rawa te mahi, he teknolojia whakaneke noa atu. Hohoro mai Hongshan he hunga hou, he hunga tawhito e haere mai ana ki te whakatakoto whakaaro, ki te rapu