Put the words and phrases into two groups :positive or negative. crowded, noisy streets, an excellent public transport system, heavy traffic, polluted, everything close at hand, unfriendly people, helpful neighbours, safe, clean, dangerous, feel isolated, feel bored, lots of restaurants and clubs, clean air, unspoiled countryside, beautiful views, peaceful life, tiring office jobs, picturesque places, easy to get around, packed with cars, many pedestrian areas, a built-up area, a quiet neighbourhood