The recultivated open pit iron ore mine near Esch-sur-Alzette, Luxembourg. Red Earth. Along the Minett Trail one also comes across old iron ore mining sites. In the meantime, trees are growing again
RedRock Mountain Bike Trails (Esch-sur-Alzette) - 2021 All You Need to Know BEFORE You Go | Tours & Tickets (with Photos) - Tripadvisor