Quenching is the rapid cooling of a metal in water to obtain certain material properties. For example it reduces the crystal grain size of metallic materials, increasing their hardness. (Wikipedia)
Here is a series of photos I did together with Javier Rojas last week, which included a warm blooded Cuban expat, and cold Swedish water.
To see more photos with Javier, check out his tag on the blog.
Instagram: Javier, Johannes
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