This free course was first published in December 2020.
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Week 2, Figure 1: Anna Proudfoot
Week 2, Figure 2: © Claudiu Marius Pascalina/Dreamstime.com
Week 2, Figure 3: Anna Proudfoot
Week 2, Figure 4: Anna Proudfoot
Week 2, Figure 5: © Konstantinos Papaioannou - Dreamstime.com
Week 2, Figure 6: Anna Proudfoot
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