Original: Places of interest Places of interest include the Royal Ceremonial Hall or Lapau , Royal Regalia Building , the Sultan Omar Ali Saifuddien Mosque , the Malay Technology Museum , and the Brunei History Center .
Simplified: It is the site of the Royal Ceremonial Hall or Lapau , Royal Regalia Building , the Sultan Omar Ali Saifuddien Mosque , the Malay Technology Museum , and the Brunei History Center .