https://joy.videvo.net/videvo_files/video/free/2019-02/large_watermarked/181004_22_WATER-TREATMENT-PLANT_14_preview.mp4 Walkway in Water Treatment Tank Time Lapse Time lapse of a walkway over a water clarification tank in a water treatment plant. 1080pclarificationdevelopmentfactoryindustrialplantpoolpoolsreservoirreservoirssewageseweragetanktankstime lapsetimelapsetreatmentwaterwater workswaterworks