http://www.english.hadhramaut.info Great scientific challenge contest concludes its activities in Sanaa [The Source: SANA'A/hadhramaut.info/sabanews.net - 01/03/2012] Great scientific challenge contest concluded its activities  in Sanaa  with the participation of ten schools from capital and Hadhramout.  The contest was organized by the British Council. It was held in the field of scientific innovations to solve water problems. Ten school from Sanaa and Hadhramaout took part in the contest.