If you've ever loved and lost a pet, you may have dreamt of being able to bring it back to life. In China, where animal cloning is legal, this already possible. Several companies offer cloning services to pet owners, using the DNA of the dead animal to create a new pet that's very much like the old one. The procedure can cost up to €45,000 depending on the size of the animal. Despite the ethical questions raised by cloning, business is booming. Our correspondents report.