Dar es Salaam, July 30 -- DAR-ES-SALAAM-the harbour of peace is a melting pot of tribes, nationalities and cultures. It is truly a cosmopolitan city, alive with nonstop human activity and, whether by design or chance, it runs on a 24- hour economy.

Depending on where you are in Dar, you might find yourself having breakfast at midnight or lunch at dawn; it all flows with the rhythm of the city. Life here is simple.

No one pays much attention to how smartly you are dressed or whether there is an aura of luxury surrounding you; life moves on either way. Still, beneath its seemingly impersonal surface, Dar is slowly yet noticeably changing.

These quiet shifts in society are beginning to reshape many aspects of life, including marriage and ...