????? ?????? ?????? ??????? ???? ???? ??? ?? ???? ??? ??? ?????????? ??? ?????? ???? ?????? ??????? ??? ??? ????? ?? ????? ???? ??? ????? ???? ????? ????? ????? ?????? ????? ?????? ????? ???? ???? ?????? ????????????? ????? ?? ?????? ????????? ?????? ??? ??????? ????? ?????? ????? ????? ????Hassan, a superb aviation engineer struggles with loneline