数字媒体是指以二进制数的形式记录、处理、传播、获取过程的信息载体，包括数字化的文字、图形、图像、声音、视频影像和动画等感觉媒体，以及表示这些感觉媒体的表示媒体(编码)。River Kwai Bridge is a steel arch bridge located on the border between China and North Korea, spanning the Yalu River. The bridge was built in 1935 and has since become a popular tourist destination. It is known for its unique design and stunning views of the surrounding landscape.