text: Highlights of the vast interior include the Royal Chapel , a gem of high Baroque ; the State Apartments , in which Louis XIV used to entertain ; the Salon de Diane , where he would try his hand at billiards ; and the glittering Hall of Mirrors ( Galerie des Glaces ) , 73 m ( 240 ft ) long and built to catch the setting sun in 17 tall , arched panels of mirrors .
  
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  Louis XIV used the State Apartments to entertain .