For over 15 years, Japanese artist Tatsuo Horiuchi has rendered the subtle details of mountains, cherry blossoms, and dense forests with the most unlikely tool: Microsoft Excel. The 77-year-old illustrator shunned the idea of paying for expensive painting supplies or even a basic drawing program for his computer, saying that he prefers Excel even over Microsoft Paint because it has “more functions and is easier to use.” Using simple vector drawing tools developed primarily for graphs and simple shapes, Horiuchi instead draws panoramic scenes of life in rural Japan.

Great Big Story recently visited Horiuchi at his home for a brief interview and a behind-the-scenes look at how he works in the video above. If you’re even slightly skeptical, here’s two of his earlier Excel artworks you can download and explore yourself:

— Cherry Blossoms at Jogo Castle (2006)

— Kegon Falls (2007)

You can explore more of Horiuchi’s Excel drawings on his website and at Spoon & Tamago.

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