(250511) -- RICHMOND, May 11, 2025 (Xinhua) -- People try their hands at concrete paving during the Public Works Open House event in Richmond, British Columbia, Canada, May 10, 2025. Featuring interactive exhibits, equipment displays and more, the one-day event offered a behind-the-scenes look at the essential services that keep the city running smoothly. (Photo by Liang Sen/Xinhua)
















