Hi, it’s Harry Silhouetteof-Wolfhowlingonhill. Without animals and the environment there would be no trolls. Without trolls, there would be less greenygrey in the new HTC advert:
German Shepherd Howls with Wolves
Without wolves, there would be no dogs. In this Wimp.com/wolfhowling link a German Shepherd dog remembers its ancestry by howling after listening intently to a wolf howling.