La Molina District

The mid-20th century saw the rural population (between 600,000 and 1 million people) taking refuge in Lima, especially during the Peruvian conflict. The new arrivals, often very poor, erected hastily built shacks. Some residents of these shantytown neighborhoods have acquired property titles, but urban planning remains largely non-existent. In response, a number of wealthy neighborhoods built their own makeshift wall starting in 1985, citing security concerns and as a means of defense from Shining Path militants. having a total length of . In 2023, the Constitutional Court of Peru ruled that the wall had to be demolished, with the process beginning in 2024. ==Climate==