metro line extension at qinghu shenzhen china color palette

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#3C4539 #3DA7FB #47A7C0 #9DBFD3 #96795E

related tags: 3C4539 3D423C 3DA7FB 47A7C0 6696A2 6DA1CB 887A6C 96795E 9DBFD3 AABBC6 china chinese city construction elevated extension line metro qinghu section shenzhen subway