http://www.mirer.org/g2/main.php Hillside terracing http://www.mirer.org/g2/v/Travel/Portugal-2006/Portugal-DuoroValley/IMG_2005_04_20_14_19_42_D70.jpg.html 9550 Church on terraced hillside http://www.mirer.org/g2/v/Travel/Portugal-2006/Portugal-DuoroValley/IMG_2005_04_20_14_16_26_D70.jpg.html 9554 Terracing, detail http://www.mirer.org/g2/v/Travel/Portugal-2006/Portugal-DuoroValley/IMG_2005_04_20_14_17_36_01_D70.jpg.html 9557