https://www.skateapp.net/spot/fr/hauts-de-france/gravelines/stairs-597abed92f9189000115ef67 2026-08-17T12:52:47.050Z monthly 0.8 https://www.skateapp.net/spot/fr/hauts-de-france/gravelines/skatepark-de-gravelines-5d34c9a3a71d8a001b01ca82 2026-08-17T12:52:47.050Z monthly 0.8