It's #CityHallSelfieDay! 📸 If you have a photo in front of #Houston City Hall, post it & tag Houston with #CityHallSelfie! This is your chance to showcase your local gov love. ❤️elgl50 This new social media tradition celebrates service by encouraging people who work in local governments — and the residents they serve — to stretch their legs, take a fun photo in front of their city hall, and post it for the world to see. Last year, civic enthusiasts shared more than 6,000 City Hall selfies on social media.