On the evening of April 5, the concert hall version of the original national opera "Mountains and Seas" premiered at the Tianjin Grand Theater. The play tells the story of the immigration history of the people of Xihaigu, Ningxia, represented by Yongquan Village.

The script creation of the national opera is based on the TV series and fully integrates the artistic characteristics of the opera. The National Center for the Performing Arts will bring more plays to Tianjin to realize the cultural integration of Beijing and Tianjin.