极速前进第二十季

　　The Amazing Race 20 is the twentieth installment of the reality television show The Amazing Race. The Amazing Race 20 features eleven teams of two, each with a pre-existing relationship, in a rac　　The Amazing Race 20 is the twentieth installment of the reality television show The Amazing Race. The Amazing Race 20 features eleven teams of two, each with a pre-existing relationship, in a race around the world.详情