Reuters photographer Arnd Wiegmann has been visiting and documenting some of the thousands of military bunkers and fortresses installed across Switzerland, most dating back to Word War II.

First impressions can be unreliable. That doesn’t mean you need to slog through a boring romance.

On its 15th anniversary, a look at how the site has changed social life by keeping weak connections on life support forever

Even relationship troubles can be crowdsourced.