Taipei 101 managers have closed the outdoor observation deck of the 509 meter-high building after 2 men breached security, tied ropes to the barrier, and climbed over the top of the railings. One man was pulled back by security officers, while another made it down from the 91st floor to the 90th floor. Shortly after 9:00pm last night two 19 year-old men entered the observation deck, went to the east side, and tied ropes to the 3 meter high safety