"I know that there are no regular clean up during my stay, but there are two stickers for the guests to use, one of it requesting change the towels and clean up the rubbish bin, another one just for change the towels, even I put the stickers of change the towels and clean up the rubbish bins, after I go back to the room at night, there are only new towels put it outside the room, and the used towels and rubbish still inside the room."