What is this pilot practicing? Flight path looks strange.

This submission does not contain enough source material to support a substantive analytical summary. The "article" consists solely of a Reddit post title and a link to an image — no text, no identified aircraft, no operator, no location, no flight data description, and no additional research context. The image itself is inaccessible and its contents are unknown.

A meaningful analysis for professional pilots requires actual reportable facts: the nature of the flight path, the aircraft type, the airspace involved, and the probable operation being conducted. Common explanations for unusual flight tracks — instrument training holds, aerial survey lawnmower patterns, search-and-rescue grid searches, check airman proficiency flights, or military training areas — each carry entirely different operational implications, and assigning one without source data would be fabrication rather than analysis.

To produce the requested summary, please provide the image contents described in text, a FlightAware or Flightradar24 track description, or a linked article with substantive reporting. With that information, a full analytical write-up can be completed.