Ambrogio Lorenzetti's most revolutionary achievement - one of the most remarkable accomplishments of the Renaissance - is the fresco series that lines three walls of the room in the Palazzo Pubblico where Siena's chief magistrates, the Nine, held their meetings (Sala dei Nove). The size of the room is 2,96 x 7,70 x 14,40 m.

Ambrogio's task was unprecedented, for he was apparently called upon to paint allegorical depictions of good and bad government and to represent the effects such regimes would have in the town and the country. The result is the first panoramic city/countryscape since antiquity, and the first expansive portrait that we have of an actual city and landscape. Today, the cycle is usually identified as Good and Bad Government. Ambrogio chose the best-illuminated walls for Good Government and its effects, leaving Bad Government in the shadows on a wall that has also suffered considerable damage.

Preview	Picture Data	File Info	Comment
	View of the frescoes 1338-40 Fresco Sala dei Nove, Palazzo Pubblico, Siena	1400*883 True Color 174 Kb
	Allegory of the Good Government 1338-40 Fresco Palazzo Pubblico, Siena	1377*750 True Color 177 Kb
	Allegory of the Good Government (left view, detail) 1338-40 Fresco Palazzo Pubblico, Siena	940*1012 True Color 130 Kb
	Allegory of the Good Government (detail) 1338-40 Fresco Palazzo Pubblico, Siena	950*1063 True Color 175 Kb
	Allegory of the Good Government (detail) 1338-40 Fresco Palazzo Pubblico, Siena	1074*838 True Color 137 Kb
	Effects of Good Government on the City Life (detail) 1338-40 Fresco Palazzo Pubblico, Siena	978*414 True Color 124 Kb
	Effects of Good Government on the City Life (detail) 1338-40 Fresco Palazzo Pubblico, Siena	1354*757 True Color 172 Kb
	Effects of Good Government on the City Life (detail) 1338-40 Fresco Palazzo Pubblico, Siena	1196*915 True Color 175 Kb
	Effects of Good Government on the City Life (detail) 1338-40 Fresco Palazzo Pubblico, Siena	1244*850 True Color 168 Kb
	Effects of Good Government on the City Life (detail) 1338-40 Fresco Palazzo Pubblico, Siena	940*650 True Color 151 Kb
	Effects of Good Government on the City Life (detail) 1338-40 Fresco Palazzo Pubblico, Siena	1200*807 True Color 223 Kb
	The Effects of Good Government in the Countryside (detail) 1338-40 Fresco Palazzo Pubblico, Siena	1400*772 True Color 169 Kb
	The Effects of Good Government in the Countryside (detail) 1338-40 Fresco Palazzo Pubblico, Siena	1230*674 True Color 157 Kb
	The Effects of Good Government in the Countryside (detail) 1338-40 Fresco Palazzo Pubblico, Siena	920*1130 True Color 203 Kb
	The Effects of Good Government in the Countryside (detail) 1338-40 Fresco Palazzo Pubblico, Siena	1074*714 True Color 150 Kb
	Allegory of Bad Government (detail) 1338-40 Fresco Palazzo Pubblico, Siena	668*909 True Color 151 Kb
	Bad Government and the Effects of Bad Government on the City Life 1338-40 Fresco Palazzo Pubblico, Siena	1322*730 True Color 179 Kb
	Effects of Bad Government on the City Life (detail) 1338-40 Fresco Palazzo Pubblico, Siena	648*925 True Color 143 Kb
	Effects of Bad Government on the Countryside (detail) 1338-40 Fresco Palazzo Pubblico, Siena	929*619 True Color 146 Kb