To maximize your puzzling space, click on the Maximize button in the lower right corner of the puzzle screen for fullscreen mode. Click on it again to return to normal mode.

For more tips, see the Online Puzzle Tips page.

RZD (Rossiyskye Zheleznye Dorogi) 2TE25KM puzzle, based on an original photo by Konstantin Davidov (photo copyright Konstantin Davidov -- used with permission). Photographed at Tutani, Latvia, June 19, 2019. Click here for more information about this photograph