Prime Minister Pham Minh Chinh attended a groundbreaking ceremony for the Hoa Binh - Moc Chau expressway in Hoa Binh province's Da Bac district on September 29 morning.The 34-kilometre expressway, connecting Da Bac town in Da Bac district to Chieng Yen commune, Son La province's Van Ho district, is significant to the socio-economic development in Hoa Binh province, and the northwestern region as a whole.Source: Vietnam News Agency