The Khyber Pass became a critical part of the Silk Road, which connected Shanghai in the East to Cádiz on the coast of Spain. The Parthian Empire fought for control of passes such as this to gain access to the silk, jade, rhubarb, and other luxuries moving from China to Western Asia and Europe. Through the Khyber Pass, Gandhara (in present-day Pakistan) became a regional center of trade connecting Bagram in Afghanistan to Taxila in Pakistan, adding Indian luxury goods such as ivory, pepper, and textiles to the Silk Road commerce.: