Songzan Ganbu then started extensions on his old palace on Red Mountain.The magnificent new palace which stood towering atop the mountain was the famous Potala Palace in its earliest form.

• 松赞干布又在红山扩建宫室，殿宇依山而筑，宏伟壮丽，这便是最早的布达拉宫，人称“第二普陀山”。