http://AATesaurus.cultura.gencat.cat/aat/getty_enhttp://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31417330rail transportation structures http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31417330 transportation structures by function BT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31417330 railway platforms NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31417330 turntables NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31417330 railroad signal towers NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31417330 rail transportation buildings NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31417330 rail transportation structure UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31417330 transportation structures, rail UF