Markus Feilner
- 註冊為製圖者日期：
- 2008年08月18日
- 最後地圖編輯於：
- 2021年07月24日
Markus Feilner is an open source journalist, Author of several books and IT consultant since the mid 1990ies.
OpenStreetMap 開放街圖
Markus Feilner is an open source journalist, Author of several books and IT consultant since the mid 1990ies.