Tanzania, March 30 -- Dar es Salaam. At first glance, some areas of Dar es Salaam appear normal for daily activities. But beneath the bustle lies a hidden danger that could cause serious harm if safety rules are ignored.

Mbagala Zakheim, Gongo la Mboto and New Station to Pugu, in Temeke and Ilala districts, are densely populated and host vibrant economic activity.

Small-scale traders operate daily, attracting large numbers of customers seeking affordable goods. Food vendors, mechanics and other informal businesses thrive here.

However, beneath the surface and above these areas are sensitive infrastructures with significant risks.

Pipeline and power hazards

The Tazama oil pipeline jointly operated by Tanzania and Zambia runs undergrou...