"I also love the way that Hoskin's magnificent work of passage grave orientations (you know the SE/E generalizations) were shattered when he came across the great passage graves of Pastora (near Seville), one with the longest corridor ever - nearly 50 metres - the other one 40 metres. After months of intensive study and finding that nearly all had winter solstice sunrise orientations, the biggest one was orientated west! "

Is this study just in Spain?