I learnt many new things on my first visit to Australia. That water  drains anticlockwise Down Under. That Victorian refers not to  nineteenth-century England but to the state of Victoria, of which  Melbourne is the capital. Also that Australia has llamas—and two days  into my travels, I was standing face to face with one on a green meadow  high above the ocean.     Llama at Otway Farm. Photograph by Anuradha Roy   The llama had a serene, supercilious face and her elegance was  undiminished by the fact that sprigs of hay stuck out from her mouth.  Early training from Tintin  comics gave me the cosmopolitan ease  with which to handle the situation: step back as if admiring the view  before she can spray you with spittle. When I wondered at his choice of  exotic pets, Steve Earle of Otway Farm told me the llama was a sheepdog  in disguise. It chased away foxes, protected new-born lambs. It was a  working member of his farm.   My learning curve was going to get steeper: next I was ...