楊素
In spring 593, Emperor Wen commissioned Yang Su to oversee the building of his vacation palace, Renshou Palace (仁壽宮 in modern Baoji, Shaanxi). Yang Su spent much effort building it to be a luxurious palace, needing not much architectural work but landscaping of the nearby hills and valleys. Much human life was lost—numbering in the tens of thousands. The palace was completed in spring 595, and when Emperor Wen inspected it, he, by nature frugal, was initially displeased and stated, "Yang Su expended money and effort to build this palace, and he made the people hate me." Yang Su was fearful of punishment, but when Emperor Wen's wife Empress Dugu arrived, she pointed out to Emperor Wen that Yang Su knew that they had little other pleasures, and therefore built the palace in this manner. She gave Yang Su awards in both money and silk.