A woman found an egg laid by her hen contains another smaller egg in Yan`an, Shaanxi province, on August 23, 2011. An expert explains that eggs of two days may have mixed if the hen did not lay the first egg on the previous day. [Photo/CFP] A woman found an egg laid by her hen contains another smaller egg in Yan`an, Shaanxi province, on August 23, 2011. An expert explains that eggs of two days may have mixed if the hen did not lay the first egg on the previous day. [Photo/CFP] |