What historical significance do the stone walls in the valley have?

The stone walls in the valleys of Mallorca are significant for several historical and cultural reasons. Primarily, they date back to the agricultural developments initiated during the Moorish occupation of the island from the 9th to the 13th century. These walls, often constructed from local limestone, were built to delineate property boundaries, protect crops, and prevent erosion in the mountainous terrain. They represent the evolution of agricultural practices on Mallorca, particularly in the production of olive oil, wine, and cereals, which are integral to the island's economy.

Additionally, these structures are not just practical but also reflect the unique landscape and rural architecture of Mallorca. They serve as a testament to the island's agrarian past, where every stone was meticulously placed to create terraces that maximized arable land. In some areas, these stone walls are linked to the traditional "finca" system, small estates that have been passed down through generations, preserving both the land and its cultural heritage.

Today, the stone walls are recognized not only for their historical value but also for their role in maintaining biodiversity and landscape conservation, making them an important part of Mallorca's identity. Their preservation is crucial in understanding the island's historical agricultural practices and the evolution of its rural communities.