The name of "Tsinghua Campus" is engraved with the words "Shui Mu Tsinghua" on the plaque behind the I-shaped hall of "Tsinghua Campus", and there are a pair of couplets on both sides: "Shui Mu Tsinghua" comes from the poem "You" in Jin Dynasty: "Birds are singing and flowers are blooming in Shui Mu." After Xianfeng ascended the throne, he renamed the I-shaped hall from "Xi Spring Garden" to "Xi Spring Garden". This is the origin of the names "Tsinghua Campus" and "Tsinghua University". "Jing Yun songbirds collection, Zhan Qinghua, Shui Mu" means: at sunset, birds gather at the water's edge and sing happily; The water in the pool is clear, reflecting the green flowers and plants by the pool. ...