@thamesribexperience: The Thames Beast is a favourite and we understand why😮💨! Jet-powered by 2 Mega Monster Rolls Royce Jets, you'll be speeding down the River Thames at high speeds of up to 40MPH!👀 Would you try the Beast?🚤💨 #thamesribexperience #speedboattour #speedboattourlondon #london #londonlife🇬🇧 #speedboatlondon #thingstodoinlondon #thamesbeast #towerbeastride