When will the Tiemen Hutong in Caishikou be demolished?

According to the news given by Beijing resettlement housing search, it is inferred that within two years.

1, 1, Tiemen Hutong is located in the northeast corner of Caishikou outside Xuanwumen, running north and south, starting from Xicaochang Street in the north and reaching Romanesque Street in the south. But now an office building has been built in an institution, which divides the Hutong into two sections with a total length of less than 300 meters. In the Ming dynasty, there was a place where tigers and leopards were kept in captivity, named after its iron fence. In the abandoned tiger farm in the Qing Dynasty, the iron gate evolved into a lane name called Iron Gate. 1965, when the place name was reorganized, it was changed to Tiemen Hutong.