Walking fireworks in Pielagos Sunday, June 23 23:00 Sestao (Biscay) 110 Kms. Saint Peter 2024 Walking fireworks. You might be also interested in: Walking fireworks in Biscay (1) Walking fireworks in Gipuzkoa (2) Walking fireworks in the province of Castellón (1) Walking fireworks in the province of Lleida (1) Walking fireworks in the province of Barcelona (5)