Mono Monday: The Street

Why? What the F?????!! I really don't know what these two adverts have to do with each other - then again this spot by London Bridge station always seems to throw up some strange juxtapositions. Why the old people in the wheelchairs? Do they feel safe with their gas? I really don't see it. But I suppose it made me look for today's MM challenge. I've added a colour version too as an extra