Sand is the most abundant ingredient in the mix. The powdered cement and lime are the glue that holds the sand together and allows the mortar to bond to each brick (or concrete block, stone or other ...

海水がなくなった港内に、イネ科のヨシが青々と茂っていた。河川や池の近く、湿地に生える種類が多かったが、休耕田に生えるケイヌビエや、荒れ地で育つアレチギシギシの姿も。

Nut trees make great additions to your yard - and your kitchen - but which are worth growing, and which should you avoid? Let ...