Complex sentence: The Heroes Cross located in the saddle of the Caraiman Mountains, on the slope to the Seacă Valley at an elevation of, is unique in Europe both by the locations altitude and by size, the cross itself has a height of and two arms of each.
Split into simpler sentences: The Heroes Cross is located in the saddle of the Caraiman Mountains, on the slope to the Seacă Valley at an elevation of; it is unique in Europe, both by the location's altitude and by the monument's size. The cross itself has a height of and two arms of each.