Behind back, neck and machine variations of 3 ball tricks, also reverse contortionist, video quality isn't perfect but tricks can be easily defined, criticisms welcome.
This is probably the performance by Guangzhou Troupe from Cirque Du Demain in 1984. Contains a brief run of 3 low. And a lesson in pirouette technique.
Shanghai duo who perform a neat acro piece, with the added bonus of bowls being balanced on the flier the whole time. This is possibly "Shanghai Acrobatic Troupe - Bowl Pagoda" - Cirque Du Demain 1985.