Tanzania, April 20 -- Dar es Salaam. Moving through the Kariakoo commercial district from morning to evening reveals a dense mix of movement and activity.

Vehicles, motorcycles, bicycles, handcarts and pedestrians compete for the little space available in narrow streets as traders conduct business amid constant noise and congestion.

Above them, multi-storey buildings continue to rise, reflecting the rapid transformation of the commercial district.

Kariakoo, a key trading hub in Dar es Salaam, has become one of the city's most sought-after investment areas, driven by demand for retail and office space.

Developers are increasingly building upwards, turning the area into a dense commercial zone.

However, this growth has raised safety co...