Sentence 1: Neil was writing an article about Chinese factories. 
 Sentence 3: The owner showed him around and explained things 
 Sentence 4:  Neil was impressed by the amount of work done there 
 Sentence 5:  He wrote a glowing article about the Macau factory! 
 Option 1: He arrived in Macau and went to the factory there. 
 Option 2: He was not allowed to see the sweat shops only the designated ones for foreigners and he knew it.