The Octagon House at Ly Thai To Park turned green on St. Patrick’s Day 2017 – Photo: Courtesy of Embassy of Ireland This is part of the “Ireland’s Global Greening” initiative, a major worldwide campaign in which landmark sites around the world such as the Empire State building in New York, the City Hall in London, and the Great Wall of China, will turn green to mark St. Patrick’s Day. Ahead of the Green Lighting Ceremony, the Ireland Day Festival, a fun-filled free public event of Irish cultural activities will be organized by the Friends of Ireland in Vietnam group in the afternoon near Hoan Kiem Lake. GM_EN_PC_ARTICLE_Native_ads The Traditional Irish Music Society of University College Cork will bring some of the best Irish music and dance to both the Ireland Day Festival and the Green Lighting Ceremony. GM_EN_PC_ARTICLE_Inpage_Banner This is the third time Hanoi has joined the event. In 2017, Hanoi was the first city in Southeast Asia that turned green on St. Patrick’s Day.