It's as relaxing as watching a crackling fire.
The below video showing rows of matchsticks going up in flames like a beautiful fire domino has quickly spread like wildfire on the Internet.
Posted to YouTube by the "HTD" channel on Mar. 14, it's now racked up more than 7.7 million views. The 14 minute 19 second clip begins with a single match being lit.
The flame quickly passes from stick to stick. The entire block is alight within 41 seconds. The blaze rises several inches from the table, before the sticks eventually turn black and crumble.
The fire later dies down until one tiny flame is left, which eventually goes out.
It's unclear exactly when or where the video was filmed. But "HTD" has posted several other fire domino videos online.
Here's a more intricate blaze:
And here's an earlier attempt, using a circular cake-shaped block of sticks: