The "Old Red Sand" is the Quaternary deposits with distinctive features in the coastal area of southeast China.
老红砂是中国东南沿海独具特色的第四纪沉积物。
Old city gate the gate of old village is made of flashed brick and red sand stone with high and thick wall which surrounds the village.
《老城门洞》古村堡门由青砖、红砂石砌成，墙高门厚，将整个村子包围得严严实实。
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