Browse the publication Terra Europae - Earthen Architecture in the European Union and select a country. Are you familiar with any of the many examples mentioned? Do a little research. Have you ever seen a loam building in person, perhaps without noticing?
Share your findings in the forum or note them down in your Soil diary!
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I could not figure out the right answer, when I checked, it always ticked off the right answers in green, still it was not good enough. If there are more than one good answers, it should indicate somehow if not all the correct answers have been ticked off.
@Judit Horgas all were correct in question 2