Trainees practice at an acrobatics school in Dongbeizhuang Village of Puyang, central China's Henan Province, July 11, 2018. In Dongbeizhuang Village, an acrobatics school enrols some 40 trainees aged between five and 15 who are faced with financial difficulties. The school offers both skills trainings and academic lessons but charges no tuition fees, preparing the trainees to join larger troupes with greater opportunities. (Xinhua/Feng Dapeng)

A trainee does a somersault excercise at an acrobatics school in Dongbeizhuang Village of Puyang, central China's Henan Province, July 11, 2018. In Dongbeizhuang Village, an acrobatics school enrols some 40 trainees aged between five and 15 who are faced with financial difficulties. The school offers both skills trainings and academic lessons but charges no tuition fees, preparing the trainees to join larger troupes with greater opportunities. (Xinhua/Feng Dapeng)

Trainees practice at an acrobatics school in Dongbeizhuang Village of Puyang, central China's Henan Province, July 11, 2018. In Dongbeizhuang Village, an acrobatics school enrols some 40 trainees aged between five and 15 who are faced with financial difficulties. The school offers both skills trainings and academic lessons but charges no tuition fees, preparing the trainees to join larger troupes with greater opportunities. (Xinhua/Feng Dapeng)

Trainees do warm-up excercises at an acrobatics school in Dongbeizhuang Village of Puyang, central China's Henan Province, July 11, 2018. In Dongbeizhuang Village, an acrobatics school enrols some 40 trainees aged between five and 15 who are faced with financial difficulties. The school offers both skills trainings and academic lessons but charges no tuition fees, preparing the trainees to join larger troupes with greater opportunities. (Xinhua/Feng Dapeng)

Trainees practice at an acrobatics school in Dongbeizhuang Village of Puyang, central China's Henan Province, July 11, 2018. In Dongbeizhuang Village, an acrobatics school enrols some 40 trainees aged between five and 15 who are faced with financial difficulties. The school offers both skills trainings and academic lessons but charges no tuition fees, preparing the trainees to join larger troupes with greater opportunities. (Xinhua/Feng Dapeng)

A trainee does gymnastic practices at an acrobatics school in Dongbeizhuang Village of Puyang, central China's Henan Province, July 11, 2018. In Dongbeizhuang Village, an acrobatics school enrols some 40 trainees aged between five and 15 who are faced with financial difficulties. The school offers both skills trainings and academic lessons but charges no tuition fees, preparing the trainees to join larger troupes with greater opportunities. (Xinhua/Feng Dapeng)

A trainee practices hat-tossing at an acrobatics school in Dongbeizhuang Village of Puyang, central China's Henan Province, July 11, 2018. In Dongbeizhuang Village, an acrobatics school enrols some 40 trainees aged between five and 15 who are faced with financial difficulties. The school offers both skills trainings and academic lessons but charges no tuition fees, preparing the trainees to join larger troupes with greater opportunities. (Xinhua/Feng Dapeng)