Complex sentence: He sustained several cuts, a fractured finger, and an injury to his right eye, which were treated in a hospital near Lille and later at Ramstein Air Force Base in Germany for additional treatment.
Split into simpler sentences: He sustained several cuts, a fractured finger, and an injury to his right eye, which were treated in a hospital near Lille. He later travelled to a hospital at Ramstein Air Force Base in Germany for additional treatment.