El Sabinar Nature · Frontera, El Hierro, Santa Cruz de Tenerife A forest of centuries-old junipers, some up to 500 years, on the La Dehesa plateau. The trade wind, which blows almost year-round from the same direction, has bent their trunks and crowns eastward into improbable shapes; the twisted juniper is today the symbol on the island's coat of arms. Photo: javiersanp (CC BY-SA 3.0) What to see and do in Frontera