Watch both of these videos. One was filmed in the early 1950s, one in 1967. Describe what you see in these videos. Now compare both videos. What do you think are the main differences between the two periods. Write a few paragraphs which describes life for the ordinary person living in the sort of dwellings you see in the second video. Why do you think the people had to live like this? What are the dangers, if any, of living like this.