Beware of the many people who have checked in before you. That's the thought McCann Helsinki shows with these images, where a woman's va-jay-jay, a mans trouser snake and even a mans ass are "place" where you can "check in". Lets face it, you know you're not the first.

Advertising Agency: McCann Worldgroup, Helsinki, Finland Art Director: Jyrki Poutanen Copywriter: Timo Silvennoinen Photographer: Jari Riihimäki