The puzzle of its vanishing act continues to perplex detectives. Every clue seems to point an intentional vanishing. Speculations run rampant, encompassing alien involvement. The actual facts remains elusive. ??????? ????? ?? ??? ??? ????? ????? ?? ??????. ?????? ???? ?????? ??????, ???? ??. ???? ???????, ????? ?? ????. ??? ???? ??? ???