Archinect - News 2017-08-20T11:41:32-04:00 We live on that knife-edge... Nam Henderson 2012-07-31T10:16:00-04:00 >2012-07-31T10:15:55-04:00 <img src="" width="304" height="565" border="0" title="" alt="" /><em><p>He is one of the experts commissioned by the government to produce a "master plan" to overhaul the city's infrastructure. Singapore is his role model, and he favours big projects to clear slums and build bridges, roads and out-of-town settlements.</p></em><br /><br /><p> Joe Boyle visited Dar es Salaam, Tanzania one of the world's fastest growing cities.&nbsp;The dramatic influx has pushed the city's population up from roughly two million two decades ago to four million today, which has led to a huge growth in "informal settlements". As well as economic division in Tanzania's lop-sided economy, between a tiny super-rich elite and a vast poor majority.</p>