The old city or Città Alta at sunset on limestone cliffs, Bonifacio, Corsica, France
Aerial view of floating village Ko Panyi and limestone mountains in Andaman Sea, Thailand
Durdle Door natural limestone arch on the Jurassic Coast near Lulworth, Dorset, England, UK
Boats at the beauty beach with limestone cliff and crystal clear water in Thailand
Stunning rock formations at Mangaotaki Valley, New Zealand
➤