Synthetic controls by Image Morse Code Translator: CC0 1.0. SOS diagram: Bonzo / Verdy p, public domain. Metadata diagram: Daniel Mietchen, CC0 1.0, rasterised. Outdoor V photograph: Sebastian Ballard / Geograph, CC BY-SA 2.0, unchanged. See each case source and https://creativecommons.org/licenses/by-sa/2.0/ for photo reuse terms. This set is not a representative real-photo accuracy benchmark.
