Complex sentence: The combined Rapti emerges into the lower Siwalik Hills at Bhalubang Bazaar, where the Rapti is bridged by east-west Mahendra Highway and a spur road leads north into Pyuthan and Rolpa.
Split into simpler sentences: The combined Rapti emerges into the lower Siwalik Hills. At Bhalubang bazaar the Rapti is bridged by east-west Mahendra Highway and a spur road leads north into Pyuthan and Rolpa.