Complex sentence: By 1993, Hashim Thaçi joined the Albanian political émigré group in Switzerland, where he also pursued postgraduate studies at the University of Zurich in the departments of history and international relations.
Split into simpler sentences: By 1993, Hashim Thaçi was living in Switzerland, where he joined the Albanian political émigré group. He also pursued postgraduate studies at the University of Zurich in the departments of history and international relations.