On October, 20th, we were honored to welcome adorable and honor guests coming from many countries of HELVETAS organization. We had a city tour of Hanoi in a half day by visiting Ho Chi Minh Mausoleum, Vietnam Museum of of Ethnology, going for a walk around ancient town, Hoan Kiem Lake, watching Water Puppet at Lotus Theater, and having a simple dinner with Vietnamese dishes at restaurant on the edge of the West lake.