This document provides a guide to sights and customs in Berlin from the perspective of someone whose hometown is Berlin. It recommends three top sights to see - the East Side Gallery, Brandenburg Gate, and sculptures of Berlin bears around the city. It notes that Berlin is very liberal and diverse, so there are no strict dress codes for places of worship. It advises being respectful of Germany's history and not insulting others publicly. Shopping suggestions include Berlin shirts and bags or small bear keychains. Food recommendations include the popular Currywurst sausage with sauce and fries. The author chose to feature Berlin because it is their hometown, they miss the culture and diversity, and specifically recommends visiting the free East Side Gallery.