Vitaly Vorotnikov (second from left), head of the USSR Party and government delegation, Politbureau member of the CPSU Central Committee and Chairman of the RSFSR Council of Ministers, and Do Myoi, Politbureau member of the CPV Central Committee and Deputy Chairman of the SRV Council of Ministers, with Soviet and Vietnamese builders of the Hoabin hydro scheme on the Da River, marking the 40th anniversary of Vietnam's independence, September, 1985.