Four 22 year-olds on a Mexican road trip seem bound for disaster until they, and their trip, are une

　　21世纪中期，由于温室效应，南北极冰川融化，地球上很多城市被淹没。此时，人类科技已经高度发达，人工智能机器人就是人类发明出来用以应对恶劣自然环境的科技手段之一，而且，机器人制造技术已经高度发达，先

　　Four 22 year-olds on a Mexican road trip seem bound for disaster until they, and their trip, are u