https://lists.openstreetmap.ch/archives/list/talk-ch@openstreetmap.ch/thread/UAH34WCAWF4WQWHYZWGM72NFOA37UFMM/
7 Challenges im neuen MapRoulette zu "Missing Crosswalks in Switzerland" - talk-ch -...
in switzerlandchallengesimneuenmaproulette
https://openstreetmap.us/events/mappy-hours/2020/08/maproulette/
MapRoulette Overview | OpenStreetMap US
This OpenStreetMap US Virtual Mappy Hour features an overview of the MapRoulette project with guest presenter Martijn van Exel.
openstreetmap usmaprouletteoverview
https://www.openstreetmap.org/user/imagico/diary/40759
imagico's Diary | Are maproulette challenges undiscussed mechanical edits? | OpenStreetMap
Mar 28, 2017 - OpenStreetMap is a map of the world, created by people like you and free to use under an open license.
diarymaproulettechallengesmechanicaledits