Queue this side at a bus stop Do not feed the animals at a zoo Fasten seatbelts on a plane Push on a door Do not lean out of the window on a train Beware of the dog on a gate Don't walk on the grass in a park Please stand on the right on an escalator Pay here in a shop Turn off mobile phones in a theatre https://339efcb25eb75e967b0d-ff8eeadd950d51fd1fc939dca75b3973.ssl.cf1.rackcdn.com/assets_green.swf