The soft rock area is a major sediments-producing area resulting from bedrock erosion in the middlevalley of the Yellow River.
砒砂岩区是黄河中游集中的基岩产沙区，强烈的岩土侵蚀与砒砂岩的岩性密切相关。
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In the middle of the Vesdre valley, not far from Liège, Chaudfontaine (00 32 4367 8067; chateaudesthermes.be) has the hottest thermal water in Belgium.
In the middle part of the last decade a group of Silicon Valley based Indian ex-patriates created Semindia before transforming that company into a supplier of communications equipment.