The King-to-be took in the sights of Philadelphia as part of the two-day visit to the United States that focuses on youth development, Urban renewal and environment stewardship .
The King-to-be took in the sights of Philadelphia as part of the two-day visit to the United States that focuses on youth development, Urban renewal and environment stewardship .
王位继承人查尔斯对美国的费城进行了两天的访问，就年轻人发展问题，城市重建问题以及环境资源管理问题表示关注。