John came to his home city after 10 years' absence, say what he saw using passive structures. example he saw that lots of modern buildings had been built. he saw that 1) they had built lots of modern buildings 2) they had rebuilt the old railway station 3) they had opened a new concert hall 4) they had changed the names of some streets 5) they had turned the city centre into a shopping area 6) they had closed the old market