In very early photography the exposure time was so long that people used expressions they could keep up for a while without moving. Europe is comparable to the

In very early photography the exposure time was so long that people used expressions they could keep up for a while without moving. Europe is comparable to the US in terms of happiness if not better, yet Europeans don't smile as much. Faking a smile is considered weird unless you're a politician in press photos (and those look creepy if you actually look at them closely)