Loud speaker alert at end of moving walkway, please keep clear

Loud speaker alert at end of moving walkway, please keep clear sign on floor. Details of sterile concourse area at Chek Lap Kok, Hong Kong International Airport departure terminal. End of movable sidewalk, travelator in the middle of lounge hall and passage to departure gates. Chinese language speakerphone messaging in loop, asking for passengers attention when alight from conveyor mechanism, and keep area clear to avoid bottle neck block.