Except Hachiko exit is nearly impossible to find because Shibuya station is so labyrinthine. Once I followed the signs to it and ended up in a large hall with s

Except Hachiko exit is nearly impossible to find because Shibuya station is so labyrinthine. Once I followed the signs to it and ended up in a large hall with signs pointing in 4 directions, neither of which mentioning Hachiko exit.