2005年，兴建渝黔高速公路时，重庆一栋位于高架桥下的6层楼房被遗留下来，至今依然有人居住。当地市民戏称其为“终年晒不到太阳淋不到雨的最牛‘节能’楼房”。

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　一栋6层楼房“藏身”在渝黔高速公路重庆南山段的高架桥下