Despite its name, La Paz is rarely peaceful these days.
In Ghana's Katanga Valley, the staple food is rice. This comes as no surprise, given that the fields for miles around are paddies. Look a little further and the sacks piled high on village walls sport an American flag.
It is easy to be cynical. Fifty years of starvation, exploitation, conflict, misrule and deep, deep injustice is the post-colonial legacy common to most of Africa.