Most of Taiwan is fairly mountainous and empty. Most of the population is in a few cities (Kaohsiung Taichung Tainan Taipei Taoyuan). It's enough to connect the

Most of Taiwan is fairly mountainous and empty. Most of the population is in a few cities (Kaohsiung Taichung Tainan Taipei Taoyuan). It's enough to connect them with high-speed trains, and that's what happened.