Infinity on High with a 54% decline during a post-Grammy week. The album rose to number three in its third week with 79,000 units sold. In its fourth week, the disc slipped to number four and sold 67,000 copies. "Infinity on High"s sales again fell in its fifth week, moving 58,000 copies and descending to number eight on the chart. In its sixth and last week in the top ten it fell to number nine and sold 43,000 copies. In April 2007, the album was certified Platinum by the Recording Industry Association of America (RIAA), denoting the shipment of one million copies. It
Tower Infinity of illumination are used to achieve different degrees of 'invisibility'. Because of the arrangement of the LED screens, the tower will appear invisible from only certain points distributed around the tower, ranging from near the tower to Seoul Bridge, about away. The screens will be so arranged that the tower will be visible from high altitudes, such as to airplanes and birds. Tower Infinity will be used primarily for entertainment and leisure purpose with a 4D theater, restaurants, a water park, landscaped gardens and the third-highest observation deck in the world. When the tower invisible cloak is turned off the