What body of water does the suspension bridge with the 2 tallest towers to date cross?

The suspension bridge with the two tallest towers to date is the Zhangjiajie Grand Canyon Bridge in China, which spans the Zhangjiajie Grand Canyon. However, if you are referring to the tallest suspension bridge overall, that would be the Akashi Kaikyō Bridge in Japan, which crosses the Akashi Strait. Each bridge is notable for its engineering and height, showcasing remarkable achievements in bridge construction.