arch

Yantai - An arch at "Shandong Institute of Business & Technology", this arch like the building behind it and many buildings in China is tiled, the reason for this is to protect the concrete buildings from the corrosive effects of acid rain which covers over 70% of the country - afternoon
photo: mhobbs

tiles

Yantai - East - Ancient roof tiles placed in a concrete wall in an outside wall, small street in eastern Yantai
photo: mhobbs