So using the app, as you make your way towards the grounds surrounding the Washington Monument, you hear the sounds of instruments warming up, which then gives way to the sound of a mellotron spelling out a very simple melody.
当你使用这个软件 走进华盛顿纪念碑周围的小路 走进华盛顿纪念碑周围的小路 会听见乐器的声音活跃起来 接着由电子琴接上， 奏出一段简单的旋律