《太平广记·卷二百三十六·奢侈一》
安乐公主又修造一座九曲流杯池，在池中修建石莲花台，引泉水从石台中流出来。
又为九曲流杯池，作石莲花台，泉于台中流出。
Princess Anle also built a nine-turn liubei pool, in which a stone lotus platform was built to lead the spring water from the stone platform.