It might come as a shock to South Africans, but it turns out that efficient public transport. really fast internet and a low crime rate does not guarantee happiness. South Korea has all three of those things and tasty chili related dishes, but still has a high suicide rate. So much so that a bridge in Seoul used to be called the Bridge of Death. Or the Korean alternative of course. But with a clever idea it became the Bridge of Life, rapidly reducing the death rates.
Bridge of Life: Cheil Seoul's Titanium winning work for Samsung Life Insurance