Sorry for off-topic, I'm thinking about creating an instructive website for pupils. May possibly start with publishing interesting information like"By raising your legs slowly and lying on your back, you cannot sink into quicksand."Please let me know if  you know where I can find some related information such as here
 
http://essaysfor-sale.blogspot.com/2014/01/heights-by-heathcliff-and-catherine.html
http://personal-statementexamples.blogspot.com/2015/11/healthy-eating-for-kids-and-parents.html