The Russian capital will not only show its achievements abroad but will receive guests. In November it will host the 3rd international mayors' conference on the topic "The role of modern cities in the solution of vital problems". Over 100 cities and ten international organizations including the UN will participate in it. In October Moscow will see a conference of mayors of the Black Sea cities. In late March the Russian capital will host the international conference of compatriots. Over 40 countries are expected to participate in it.