Proposal for new tunnel values ߊ߬ ߟߊߦߟߍ߬ߣߍ߲߬ ߦߋ߫ flaimo ߓߟߏ߫ 19 January 2012 ߦߋ߫ English ߟߋ߬ ߘߐ߫ RFC: osm.wiki/Proposed_features/building_passage
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