Zhengzhou Erqi Memorial Tower, referred to as Erqi Tower for short, is located in Erqi Square, Zhengzhou City, Henan Province. It was built to commemorate the workers' strike on February 7th (1923). 195 1 year, Erqi Square was built near the old site of Changchun Bridge. At that time, a wooden memorial tower with a height of15m was built in the venue. 197 1 was converted into the present tower. The Erqi Pagoda is now the emblem of Zhengzhou.