国家/地区：美国,英国
时长：每期90分钟
语言/字幕：国语对白 中文字幕
Have you ever wondered why the human body looks the way it does? Why our hands have five fingers instead of six? Why we walk on two legs instead of four? It took more than 350 million years for the human body to take sh…
Have you ever wondered why the human body looks the way it does? Why our hands have five fingers instead o…
