Sve što priroda ne može napraviti, VII dio : zidovi Article mis en ligne le 1 mart 2008 od Irna Parus, Praskoveyevka, Russie Source Parus, Praskoveyevka, Russie Source Hvítserkur, Islande Photo Anna Guðmundsdóttir - Source Caithness, Scotland Source Les "Pierres causantes" de Pempoul, Côtes-d’Armor, France Source Keweenaw Peninsula, Michigan Source Keweenaw Peninsula, Michigan Source Bodmin Moor, Cornouailles, Royaume-Uni Photo David J. Leveson - Source Bodmin Moor, Cornouailles, Royaume-Uni Photo David J. Leveson - Source Kimbiri, Pérou Source Kimbiri, Pérou Source Kaimanawa Wall, Nouvelle Zélande Source Kaimanawa Wall, Nouvelle Zélande Photo New Zealand Herald - Source Unimak Volcano, Iles Aléoutiennes Source Shawnee Hills, southern Illinois Source Old Rag Mountain, Shenandoah, Virginia Source Peyresq, Alpes de Haute Provence, France Source Massif de la Chartreuse, France Source Senjedak, Iran Source Caithness, Scotland Photo Florence Newman - Source