You can do some window-shopping at Grand Marche during your visit to Niamey. While you're in the area, stroll along the riverfront.
You can find out about the history of Niamey when you stop by Petit Marché. While you're in the area, stroll along the riverfront.
Catch an event at Stade General Seyni Kountche during your trip to Niamey. While you're in the area, stroll along the riverfront.