JEDDAH: Riyadh adrenaline junkies can now enjoy a thrilling new amusement ride at Winter Wonderland. “Sky Loop”, the world’s longest mobile roller coaster, launched at the theme park on Wednesday. With a height of 52 m and a speed of 110 kph, the roller coaster consists of a group of carts moving along a spiral track, through a sharp ascension and crazy overturns. Sky Loop