Question: macau tower is the world's highest commercial
Answer: At 233 metres , the Macau Tower 's tethered `` skyjump '' and Bungee jump by AJ Hackett from the tower 's outer rim , is the highest commercial skyjump in the world ( 233 metres ) , and the second highest commercial decelerator descent facility in the world , after Vegas ' Stratosphere skyjump at 252 metres .