Articles 41st Daqingshan Practical Method Seminar 2022092641st Daqingshan Practical Method Seminar 20220926. [caption id="attachment_126675" align="alignnone" width="400"] 41st Daqingshan Practical Method Seminar participants on top of Qingshan Summit.[/caption] Source: https://practicalmethod.com/?p=126674 More articles 31,206