2月16日，河南省汝南县阳光舞蹈学校，两个女生在进行劈叉练习。身体柔韧性训练是舞蹈最基本的训练，也是其中最苦的部分。[中国网图片库 孙凯 摄]
Two girl students do the splits in a dance training class at an international art school in Ru'nan County, Henan Province, on Feb. 16, 2016. Physical flexibility training is the basic and hardest part of dance training. [Photo by Sun Kai/photostock.china.com.cn]