This remarkable sonar image may depict the Loch Ness Monster

boing
30

Or a pork pie?

https://getyarn.io/yarn-clip/3b87f326-6ffd-4924-8e3a-6a1be4fe1bfa#ceGdEo_4.copy
Turnips? Oven parts?

https://getyarn.io/yarn-clip/bc1363df-bacf-4714-85b1-a52085bec49c#F3exZ8zI.copy