Just dikes and water on the youngest part of Holland. Flevopolder is the largest man-made island in the world constructed in the 1950ies and 60ies. It is the latest large addition of new land to the Netherlands and sits in the vast artificial lake crated by the Afsluitdijk. The history and details are covered in this clip. Along the circumference is a biking and hiking path of 145 km.
El Cruce de los Andes, Paso Piuquenes, por el portillo argentino constituye uno de los seis pasos de la gesta libertadora y cobra importancia porque es el camino más cercano con la capital chilena y usado por el General San Martín por su regreso glorioso, a 250 años de la fecha.
https://es.wikipedia.org/wiki/Rutas_sanmartinianas
https://es.wikipedia.org/wiki/Paso_del_Portillo
Starting at the northernmost point of Sicily, this route primarily follows the island's entire east coast, passing some of the most breathtaking historic cities, mountain crossings, majestic cliffsides, both white and black sandy beaches, and prominent structures originally erected by the ancient Greeks thousands of years ago. And then there's Mt. Etna, Europe's most active volcano, visible for much of the route. You can literally watch as smoke billows from the top all throughout your attempt.
The total distance is about 50 kilometers, with an ascent of about 1,700 meters and a descent of 1,900 meters. The starting point is about 1,700 meters above sea level and the highest altitude is 3,424 meters.