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Image: HPS-lamps

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HPS-lamps.jpg(800 × 600 pixels, file size: 143 KB, MIME type: image/jpeg)

Description: Office building illuminated by high pressure sodium (HPS) lamps shining upward, of which much light goes into the sky and neighboring apartment blocks and causes light pollution. Location: Nijmegen, the Netherlands.
Title: HPS-lamps
Credit: en.wikipedia
Author: Klaas
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC-BY-SA-3.0
License Link: http://creativecommons.org/licenses/by-sa/3.0/
Attribution Required?: Yes

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