??????? ?? ????, ??????? ?????? ??????????, ?????? ??????? ????.???????? ???? ???? ???? ? ???????. ?? ?????? ?????? ???? – ??????????? ????????. ????? ?????????? ?? ????? ?????????, ? ??????? ?? ???????? ?? ???????? ???????? ???????.In North The usa, a lot of dams built in the nineteen eighties at the moment are currently being demolished because