Added/refined buildings and other features, https://maproulette.org/browse/challenges/38309
Added/refined buildings and other features, https://maproulette.org/browse/challenges/38309
Added/refined buildings and other features, https://maproulette.org/browse/challenges/38309
Added/refined buildings and other features, https://maproulette.org/browse/challenges/38309
Added/refined buildings and other features, https://maproulette.org/browse/challenges/38309
Added/refined buildings and other features, https://maproulette.org/browse/challenges/38309
https://maproulette.org/browse/challenges/38309
Added/refined buildings and other features, https://maproulette.org/browse/challenges/38309
Added/refined buildings and other features, https://maproulette.org/browse/challenges/38309
Added/refined buildings and other features, https://maproulette.org/browse/challenges/38309
Added/refined buildings and other features, https://maproulette.org/browse/challenges/38309
Added/refined buildings and other features, https://maproulette.org/browse/challenges/38309
Added/refined buildings and other features, https://maproulette.org/browse/challenges/38309
Added/refined buildings and other features, https://maproulette.org/browse/challenges/38309
Added/refined buildings and other features, https://maproulette.org/browse/challenges/38309
Added/refined buildings and other features, https://maproulette.org/browse/challenges/38309
Power lines and estimated voltages