Catholic nuns, wearing traditional 'ao dai' long dresses, perform to welcome Vatican's Prefect of the Congregation for the Evangelization of Peoples Cardinal Fernando Filoni before a mass at Hoa Binh church in Hoa Binh city, west of Hanoi January 21, 2015. Cardinal Filoni on Wednesday also conducted the baptism for 172 people from four ethnic groups Kinh, Muong, Thai and Hmong as part of his visit to Vietnam from January 19 to 25. REUTERS/Kham (VIETNAM - Tags: RELIGION)