Born from the minds of Swiss swingers, this extreme hot tub will have you getting dizzy or completely freaking out. It brings a more literal meaning to the swinger lifestyle. This is the Gueuroz Bridge which is the highest arch bridge in Europe. Born from the minds of Swiss swingers, this extreme hot tub will have you getting dizzy or completely freaking out. It brings a more literal meaning to the swinger lifestyle. This is the Gueuroz Bridge which is the highest arch bridge in Europe.