Couples prepare to have their photos taken on their wedding day during Valentine's Day, at a maze garden outside the 1881 Heritage shopping arcade in Hong Kong Feb 14, 2011. The arcade formerly housed Hong Kong's Marine Police and was built in 1884. [Photo/Agencies]

A boy holds Valentine's Day balloons for sale while waiting for customers along the roadside in Islamabad Feb 14, 2011. [Photo/Agencies]