This is the 2250 megawatt coal fired power plant in Page Arizona. You made have seen it when you visited Antelope Canyon. It was big and nasty. It closed in 2019 and the 775 foot tall (236m) smokestacks came down in 2020. 665nm Infrared Converted Nikon DSLR.
There is an issue with Uploading Photos (attachjments). I am not sure what the problem is, and I am looking into it. You can still try to Create your Threads and Upload your Photos, but it is hanging up during the Upload.