Usually, a circus is a showcase for the best acrobats and contortionists that attracts artists from all over the world.
But this year a Chinese festival has sparked controversy by including black bears doing tricks of balance for the public.
You can observe how animals are forced to jump and walk the tightrope, While their caregivers have them grasped by a belt that you put in your mouth.
Another stands on a tightrope in a spectacle that lasts six minutes, While other two bears climb steel chairs to spin rings around their neck and then clap on the orders of his coaches.
The shocking images were seen the 10 International Festival of acrobatic art in Wuhan in Hubei Province, It runs until end of month.
The bears, It is part of a group of Anhui Province, do two shows a day along with 260 artists who represent to 19 foreign companies and eight of the country.