卡梅伦也鼓励中国人去拜访英国，拜访欧洲的25个申根公约国，旅游者如果持有其中一国的旅游签证即可合法地到所有其他申根国家。
Cameron also suggested that Chinese people visit Britain , as well as Europe 's 25-country Schengen region . The region offers unrestricted travel across borders .
申国