Correct Example [#1714]

of: 209 Dense boulder field (ISOM 2017-2)
from: Sobotín, Czechia

A boulder field where the runnability is affected.

Dense boulder field near Skřítek, Sobotín, Czechia. Photo by: Zdeněk Janů (CC BY-SA 4.0)
Dense boulder field near Skřítek, Sobotín, Czechia. Photo by: Zdeněk Janů (CC BY-SA 4.0)