Ключевые слова: adventure, alentejo, amieira, architecture, attraction, barcelona, bridge, construction, countryside, crossing, environment, footbridge, footpath, forest, hanging, height, hiking, hill, landscape, lilac, metal, mountain, nature, nisa, outdoor, pedestrian, portalegre, portugal, recreation, river, rope, scenery, scenic, suspended, suspension, swing, tagus, tagus river, tourism, trail, travel, trekking, vacation, valley, walk, walkway, walkways, water,