Friends take photos on the rainbow bridge in the west of Qingdao, Shandong Province on December 16. [Photo: VCG]

A rainbow bridge is seen in Tangdaowan Park in the west of Qingdao, Shandong Province on December 16. [Photo: VCG]

Another side of the rainbow bridge seen in Tangdaowan Park in the west of Qingdao, Shandong Province on December 16. [Photo: VCG]

Families take a walk on the rainbow bridge in the west of Qingdao, Shandong Province on December 16. [Photo: VCG]