[jiayuasu]

Did you read the Contributor Guide?

• Yes, I have read the Contributor Rules and Contributor Development Guide

Is this PR related to a ticket?

• No, this is a blog post.

What changes were proposed in this PR?

Adds the blog post "SedonaDB Ranks Beverly Hills the Second Scariest City in the US. Guess Who Is First." (docs/blog/posts/scariest-city-in-the-us.md) with its cover and five figures (ranking chart, redness triptych, land use chart, orange-patch map, downtown Salem map).

The post ranks US cities by a scare index (haunted houses, psychics, cemeteries and costume stores per 100,000 residents) with one ST_Within join over Overture Places and divisions read from S3 in SedonaDB 0.5.0, then uses two Sentinel-2 scenes of the winner, Salem, Massachusetts, to measure the autumn color change with RS_ZonalStats over Overture cemetery polygons, RS_Polygonize over a raster built with Raster.from_numpy, and ST_KNN for nearest candy stores.

How was this patch tested?

• Every number in the post comes from runs of SedonaDB 0.5.0 (pip install "apache-sedona[db]") executed while writing it, against Overture release 2026-10-21.0 and Sentinel-2 COGs S2A_19TCH_20260912_0_L2A and S2B_19TCH_20261025_0_L2A.
• pre-commit run --files on the post and pre-commit run oxipng --hook-stage manual --files on the six PNGs pass.
• mkdocs build renders the post; images, admonitions and code blocks were checked in a browser.

Did this PR include necessary documentation updates?

• No, this PR does not affect documentation beyond adding the blog post.