A pair of human skeletons lie entwined at an Neolithic archaeological dig site near Mantova, Italy, in a photo released February 6, 2007. In a Valentines Day gift to the country, scientists said they are determined to jointly remove and preserve the remains of the couple buried 5,000 to 6,000 years ago, their arms still wrapped around each other in an enduring embrace. (Enrico Pajello/Handout/Reuters)
