本期封面图片是蓟县岐山澜水洞前面的一段河滩.名为彩石滩,这是岐山旅游区的又一大景观.这个河滩布满各种形状、各种颜色、各种纹理的石子,不仅在河心而且及于两边河岸.游人可以任意拣拾,有时可以拣到非常精美的、不亚于南京雨花石的石子.如果下些功夫还可能找到一种“上水石”,即造型奇特可以吸水的石块,这种石块可以放在盆里当做“山石”(盆景).更应一提的是还有一种火山喷发出的岩浆凝聚成的小石块,这种石块是黑色的,满身都是小坑坑儿,俗称浮石,因为它的比重很小,有的可以浮在水面,即一般用为“搓脚石”的那种石块. The current cover image is a section of floodplain in front of the Qishan Lancanshong in Jixian County, which is called Shiche Beach, another big landscape of the Qishan tourist area.The beach is full of various shapes, colors and stones of various textures, Not only in the heart of the river but also on both banks of the river, visitors can pick it up, and sometimes pick up very beautiful, no less than the Nanjing stone .If the next kung fu may also find a “water stone” that strange shape can Water-absorbing stones, which can be placed in basins as “rocks” (bonsai), but more should be mentioned that there is a volcanic eruption of magma condensed into small stones, the stones are black , Covered with small pit children, commonly known as pumice, because of its small proportion, and some can float on the water, that is generally used as “rubbing stone” kind of stone.