The second line of the first of
杜牧's
过华清宫 quatrains, after
长安回望绣成堆. The gates of the hot-spring palace on Mount Li swing open for a single rider:
一骑红尘妃子笑，
无人知是荔枝来, 'a horseman in red dust, and the consort smiles; no one knows it is lychees arriving', fresh fruit rushed by courier for
杨贵妃.
