Newlyweds Akemi (left) and Hiroshi Matsuoka walk through the snow after their wedding ceremony inside a chapel made of ice at the igloo village on Lake Shikaribetsu in Japan's northern island of Hokkaido on Valentines' Day 2007. In Japan, unmarried women over the age of 25 used to be called "Christmas cake” — past their best. But today, Japanese women are increasingly waiting longer to marry.