 Complete the following phrase:  Construction begins in 1566, and five years later the bridge is completed, together with a caravanserai or han. The bridge replaces the unreliable ferry transport that was once the only means of traversing the river and comes to represent an important link between the Bosnia Eyalet and the rest of the Ottoman Empire. The bridge is built by serfs, who intermittently stage strikes and sabotage the construction site in protest against the poor working conditions. The Ottomans respond harshly, impaling the one caught saboteur. The bridge is wider across the middle portion, known as the gate or kapija, and this section becomes a popular meeting place. Every important moment in the lives of the local residents comes to revolve around the bridge, with Christian children crossing it to be baptized on the opposite bank, and children of all religions playing around it. As time progresses, legends develop around the history of the bridge. The locals tell of two Christian infants who were buried alive inside the bridge to placate the fairies vile that thwart its construction. They come to regard two holes on the side of the bridge as places where the infants mothers would come to suckle them while they were entombed. About a century later, the Habsburg Monarchy 