Complex sentence: Johnston's first visit to the state was welcomed by Lim and the Yang di-Pertua Negeri of Penang Abdul Rahman Abbas and walked around the Penang Heritage Trail together with his delegation.
Split into simpler sentences: Johnston's first visit to the state was welcomed by Lim and the Yang di-Pertua Negeri of Penang Abdul Rahman Abbas. They walked around the Penang Heritage Trail together with his delegation.