價格：免費
檔案大小：53.8 MB
版本需求：系統需求：iOS 9.3 或以後版本。相容裝置：iPhone、iPad、iPod touch。
Whether you’re visiting Washington, DC or interested in taking a virtual tour through American history, the Peace Trail on the National Mall brings a “peace lens” to the experience of visiting our nation’s capital. This self-guided walking tour and reference guide highlights peace themes among 13 iconic sites, offering examples of key leaders, institutions and moments in history that demonstrate America’s enduring commitment to peace.
支援平台：iPhone, iPad