Longest lived women: Hong Kong An elderly woman receives a flu vaccination at a Hong Kong hospital November 10, 2003. REUTERS/Kin Cheung A...

Longest lived women: Hong Kong

An elderly woman receives a flu vaccination at a Hong Kong hospital November 10, 2003. REUTERS/Kin Cheung

An elderly villager sits in front of decorations for a ritual at Sheung Shui Heung in the rural New Territories, Hong Kong in this photograph taken March 7, 2006. REUTERS/Bobby Yip

Chinese Vice Premier Li Keqiang (C) chats with a woman as he visits community facilities for the elderly in Hong Kong August 16, 2011. Li is on a three-day visit to Hong Kong. REUTERS/Government Information Services/Handout

A woman dressed in traditional Chinese wedding costume smiles during the memory training at community ambulatory care in Hong Kong June 21, 2010.REUTERS/Tyrone Siu

Elderly women carry flowers at a ceremony in Hong Kong February 14, 2004 to celebrate Valentine's day. REUTERS/Kin Cheung

An elderly woman wearing a face mask receives free treatment from a Chinese acupuncturist in Ngau Tau Kok district, a hotspot of the SARS epidemic in Hong Kong May 2, 2003.REUTERS/Kin Cheung