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. 2021 Jun 3;4:91. doi: 10.1038/s41746-021-00462-z

Fig. 1. Representative images illustrating challenging facial features (“bindi”, headgear).

Fig. 1

The images from left to right are ‘nestle, jodhpur’ by ‘nevil zaveri’ licensed under CC BY 2.0, ‘Sawai Madhopur, man with turban’ by ‘Arian Zwegers’ licensed under CC BY 2.0, ‘Wollayta Woman’ by ‘Rod Waddington’ licensed under CC BY-SA 2.0, and ‘Raymond’ by ‘Michael Downey’ licensed under CC BY 2.0.