Sofia, Oct. 21 -- The upcoming official visit to Bulgaria by Party General Secretary To Lam is a symbol of political trust, enduring friendship, and shared aspirations of the two countries' people, creating new momentum to elevate the bilateral relations to new heights worthy of the 75-year tradition of friendship and great cooperation potential, Vietnamese Ambassador to Bulgaria Nguyen Minh Nguyet has said. Speaking with the Vietnam News Agency (VNA)'s correspondent in Central Europe, Nguyet noted that this is the first visit by a Vietnamese Party chief to Bulgaria in 50 years, marking a new milestone in the traditional friendship. Taking place at a time when the two countries are celebrating the 75th anniversary of diplomatic relations ...