Why so solemn?

     We sometimes have someone offer to take our photo.  It is usually in a special location. We very often look  like we are not having fun. On the contrary, we are happy to be in these places. However, these places are often special because they are out of the ordinary. Take this photo. We had hired a driver named Karl to take us on a full day tour of The Rock of Gibraltar. When this photo was taken, we had just come down a few hundred feet from the top. We had gone through caves and caverns and gun emplacements and dealt with apes - all on the narrowest of roads. We were just a little tired but also what you do not see is the drop off behind the fence in front of which we are standing. We take a less solemn photo in an Irish pub or a Spanish  tapas bar, or even in an wine tasting room in the alps.