 Since the early 1930s, he staged acrobatic parades on Red Square and finally came up with the idea of establishing the Theatre of Folk Art.
<clarity>  Since the early 1930s, he staged acrobatic parades on Red Square and finally came up with the idea of establishing the Theatre of Folk Art.
 Since the early 1930s, he staged acrobatic on and finally came up with the idea of establishing the Theatre of Folk Art.