Artists from Russia’s National Little Birch Tree Dance Troupe perform in Harbin, capital of Northeast China's Heilongjiang province on Feb 7. The performance was staged to greet the upcoming Spring Festival, which falls on Feb 15 this year. Meanwhile, it also serves as a platform to boost China-Russia cultural communications and cooperation.[Photo/Chinanews.com]

Artists from Russia’s National Little Birch Tree Dance Troupe perform in Harbin, capital of Northeast China's Heilongjiang province on Feb 7. Many classic dances and songs dating back to the days of the Soviet Union were performed, with many older audience members appreciating the nostalgic production.[Photo/Chinanews.com]

Artists from Russia’s National Little Birch Tree Dance Troupe perform in Harbin, capital of Northeast China's Heilongjiang province on Feb 7. The troupe was established in Russia 60 years ago and has created a unique style of choreography integrating traditional folk dancing with classic ballet, which is popular both at home and abroad. The group has performed in around 100 countries.[Photo/Chinanews.com]