Hui Gu Cheng is located in the Ai Hui of black river city to press down, in presently " Ai Hui treaty " sign here, one of the city old pine is plant to mark this conference below, call discreditable pine again. The pavilion that there is a clear acting build in the city -- building of the four stars in the bowl of the Big Dipper, stand tall and upright at Jiang Bian, ascend building overlook, considerable the grand occasion of 10 lis of the Yangtse River, be called again " the eye of 10 lis of the Yangtse River " . Love Hui the historical culture famous city of this Heilongjiang bankAi Hui is one of martial town of military importance with Chinese acting Qing Dynasty, here once was the place that Ai Hui treaty signs. Ai Hui Gu Cheng is the martial garrison with quiet northeastern day. " Ai Hui treaty " , say again " peace treaty of Ai Hui city " , it is Russia empire thing Bai Liya's governor Yi Shan of Mulaweiyaofu and Qingchao Heilongjiang general on May 28, 1858 (Xian Feng 8 years on April 16, your China lost this treaty Heilongjiang with north, outside Xing Anling with south the territory of kilometre of about 600 thousand square