https://advent.missionday.info Chats DE🇩🇪https://t.me/hackventkalender_de EN🇬🇧 https://t.me/hackventcalendar_en FR🇫🇷 https://t.me/joinchat/AnFpdRJ-sIJ14RTez0rYGw ES 🇪🇸 https://t.me/hackventcalendar_es Bot to send stats and pictures @MissionDayInfo_bot