High-quality free .png icons in sizes 16×16 & 32×32 for bloggers and web designers to use in private & commercial projects. Creative Commons Attribution 3.0 License.
Dortmund icons consist of a single bold line, but each line has a gap.
Berlin is a mostly rainy and windy city in the heart of Europe, so is “Berlin”. The set is grey only and can be used even on a dark background.