Within the framework of the State visit to Viet Nam by Lao General Secretary and State President Thongloun Sisoulith and his spouse, on January 27, the spouse of the Lao General Secretary and State President, Ms Naly Sisoulith, together with the spouse of General Secretary To Lam, Ngo Phuong Ly, visited and learned about a number of representative cultural heritage sites of Ninh Binh Province.