Bhutan's defenders of tradition, however, are agitated by these controversial changes and agitated by these controversial changes and grieve the loss of their folk ways. They oppose what they see as invasion by a frivolous, materialistic global culture that is eroding their values and institutions. Sonam Tshewang, a junior high school teacher in Thimphu, believes something vital has already been lost. "Some kids have become so Westernized that they've forgotten their own cultural identity," he says. One girl in his class even changed her name to Britney, after the American singer Britney Spears.