Athletes from five countries have met in Vitebsk for the fourth open national competitions Cosmonautics Cup on sports acrobatics and tumbling on April 11. Within the three days the participants of the tournament, almost 200 acrobats from Belarus, Russia, Poland, Lithuania and Hungary, will compete for 12 sets of awards in the single and team, BelTA learnt from the department for physical education, sports and tourism of the Vitebsk oblast executive committee. The Cosmonautics Cup will become the final event for the Belarusian athletes before the European Championships in trampoline, tumbling, and double mini-trampoline in Denmark in May. The foreign delegations of acrobats included members of the national teams. Poland is presented by the national junior team. The awarding ceremony will be held on the closing day, April 13.