Artists of the Hungarian State Opera House perform during a dress rehearsal of Jacques Offenbach's opera the Rhine Nixies directed by Ferenc Anger in Budapest, Hungary, on Feb. 22, 2018. The opera depicts a country shattered by internal warfare through an unusual love story which combines poetry and politics, dreams and reality, and the supernatural and the realistic. The opera will be premiered in Hungary on Feb. 24. (Xinhua/Attila Volgyi)