Major medieval cities: >20.000: Liibeck, Sevilla, Toulouse, Magdeburg, Utrecht, Wroclaw, Amiens, Augsburg, Niirnberg >30.000: Gdansk, Barcelona, Roma, Avignon, Marseille, Brussel
Read MoreCheck out this map showing where red hair is most common across Europe – it reveals some surprising patterns in different regions and tells us a lot about genetic history.
Read MoreThe CORINE land cover map 2012 for the UK. Reds indicate artificial surfaces, yellows are agricultural land, greens are forests,
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