1st of August you definitely should be at VDNH park at 21.00h. As it is one of the most beautiful parks, it will also have an amasing show.
French artistic group Les Plasticiens Volants will show a spectacle about history of Cosmos, planets, gravity and matter. It will be a huge show with acrobatic stunts and real, visual explanation of the Cosmos we live in.
At the end of the show there will be a hudge firework show. Definitly try to make it and enjoy Cosmos on earth.