• Vietnam: Rare and endangered langurs

    Vietnam: Rare and endangered langurs
    The white-headed langur (Cat Ba langur), one of the world's rarest primates, is at risk of extinction due to natural tree hunting.
  • An American devoted to Vietnamese langurs

    An American devoted to Vietnamese langurs
    The luggage that 55-year-old American Rick Passaro brought to Cat Ba Island more than a year ago only had old cassette tapes, CDs, DVDs, clothes and books. Rick came to protect