VLADIVOSTOK. December 5. VOSTOK-MEDIA - In honor of World Day of volunteering at the theater "Underground" VSUES today, December 5, a gala concert.Recall that in 1985 the UN General Assembly requested the annual observance of 5 December International Volunteer Day. This holiday was established the United Nations to inform the public of the importance and the enormous contribution made to improve the economic and social development of volunteers.