If you've been to Washington, DC or Japan or London, you know that metro riders there will be very careful to stand on the right-hand side of the escalator so that people can go by on the left.
Jika Anda pernah ke Washington, DC Jepang, atau London, Anda tahu penumpang kereta di sana berdiri di sisi kanan eskalator dengan sangat hati-hati agar orang bisa lewat di sisi kiri.