There are countless stories to tell in San Francisco, but sometimes a picture says so much more than mere words can. Each week we present to you 7 Reasons. (Our sister site LAist does the same thing, which we found too inspiring to resist.) Much like Photo du Jour highlighting a nifty image shot by our readers, 7 Reasons features recent photos from the SFist pool on Flickr, or photos tagged #sfist on Instagram, showcasing the uniqueness of San Francisco. And with that, here are 7 reason why S.F. is, for lack of a better word, hecka.