September 29, 2022, Mohe, Heilongjiang, China: MOHE, CHINA - SEPTEMBER 29 2022 - The Greater Khingan Mountains Border Management Detachment conducts patriotism education to immigration management police by polishing boundary tablets in Beiji village, Mohe city, Greater Khingan Mountains region, Heilongjiang province, Sept 29, 2022. (Credit Image: © Cfoto/DDP via ZUMA Press) *** Local Caption *** 17972305