The puzzle of its vanishing act continues to perplex researchers. Every clue seems to point a carefully orchestrated plan. Theories abound, spanning alien involvement. The reality remains elusive. ??? ??? ??? ????? ????? ????? ?? ?????. ?????? ???? ?????? ??????, ???? ??. ?????? ?????, ?????. ??? ????? ??? ??? ?? ??? ??? ??? ????? ??? . ?