Original sentence: The narrow-gauge railway line at Mokra Gora on the slopes of Serbian mountain Zlatibor climbs a 300 metre ascent using an unusual loop in the form of the figure eight – the popular "Šargan Eight"
Edited sentence: The 300 metre ascent was skillfully designed by constructing an unusual loop in the form of the figure eight – the popular "Šargan Eight".The narrow-gauge railway line located amidst the gorgeous scenery of Mokra Gora on the slopes of Serbian mountain Zlatibor is one of the most beautiful railways in the world