Discover the little-known vanilla cultivation plant Cooperative Provanille, where all work is done by hand on-site. Take a close look at the industrious workers on the job, and witness every step of the way over the 18-month long processing period. There is a gift shop on the premises if you wish to purchase a souvenir.

Reunion Island's highest peak, with its unbeatable 360-degree panorama, is certainly worth the two-day hiking trip. Tours are normally arranged to reach the summit, however, hikers can complete the hike at their own speed. If going overnight, it is possible to spend the night at Gîte de la Caverne Dufour.

Your description of Wild at Heart is informative, but it could use some polishing for clarity and flow. Here's an updated version: Wild at Heart is a rescue and rehabilitation center dedicated to the care of injured birds of prey, including owls, hawks, falcons, and eagles. The facility is staffed by dedicated volunteers who work to nurse these majestic birds back to health before releasing them back into the wild. In addition to its rescue efforts, Wild at Heart offers educational presentations to raise awareness about local wildlife. Please note that visits are by appointment only, so be sure to contact them in advance to arrange a tour.

The fountain is a landmark of the old city, with life always bustling around - during the month of Ramadan, until as late as 2am. Travelers wandering around the old town are likely to stumble upon it at some point or another. Water from the fountain is drinkable.