#maproulette https://maproulette.org/browse/challenges/23252
#maproulette https://maproulette.org/browse/challenges/23252
#maproulette https://maproulette.org/browse/challenges/23252
#maproulette https://maproulette.org/browse/challenges/23252
#maproulette https://maproulette.org/browse/challenges/23252
#maproulette https://maproulette.org/browse/challenges/23252
#maproulette https://maproulette.org/browse/challenges/23252
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#maproulette https://maproulette.org/browse/challenges/23252
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#maproulette https://maproulette.org/browse/challenges/23252
#maproulette https://maproulette.org/browse/challenges/23252
#maproulette: Yemen - EdgeCrossingEdgeCheck
#maproulette: Yemen - EdgeCrossingEdgeCheck
#maproulette: Yemen - EdgeCrossingEdgeCheck
#maproulette: Yemen - EdgeCrossingEdgeCheck
#maproulette: Yemen - EdgeCrossingEdgeCheck
#maproulette: Yemen - EdgeCrossingEdgeCheck