Dolo River -  The Dolo mountain stream springs from the Mount Cusna's slopes (44°14′24.21″N 10°27′22.31″E) in the Reggio-Emilia province in the Tuscany-Emilia Romagna Apennine Mountains.It is a natural boundary for the province of Reggio Emilia and the province of Modena.Its flow ends into the Secchia river (44°24′24.97″N 10°37′18.80″E) its length is about 13 to 16 miles (21 to 26 km).Three miles before ending into the Secchia river the Dragone mountain stream flows into it.At the height of Fontanaluccia there is a dam (44°16′39.72″N 10°30′47.95″E) which provides water for a hydroeletric power plant (44°21′42.48″N 10°34′53.35″E) located 9 miles (14 km) downward in Farneta. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
Answer:
Natural Place