ID 252185667 © Viet888456 | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
aerial and angle biology building chemical chemistry circle cityscape clean cleaning compartment conservation dirty downtown drone dusk ecosystem engineering environment environmental equipment exterior factory healthcare high industrial industry issues large liquid manufacturing medicine office outdoors plant point pollution progress purification purified purity recycling reservoir separation sewage sewer slimy social station steel storage tank technology thailand treatment undefined water