Night Light of Zhouzhuang (Jiangsu) from space (China) Src. Average luminocity for 10x10km area is 41.7399% and for 50x50km: 63.6667%.
Square area 10x10 km:
 0%
 0% 0%
 0% 7.14%
 7.14% 1.47%
 1.47% 6.23%
 6.23% 11.72%
 11.72% 17.03%
 17.03% 29.3%
 29.3% 27.11%
 27.11% 0%
 0% 0%
 0%Square area 50x50 km:
 16.82%
 16.82% 10.63%
 10.63% 8.67%
 8.67% 9%
 9% 9.85%
 9.85% 9.53%
 9.53% 10.92%
 10.92% 7.88%
 7.88% 10.14%
 10.14% 5.95%
 5.95% 0.61%
 0.61%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
31° 43' 4.5" North, 120° 8' 28.1" East
31° 7' 4.4" North, 120° 50' 39.4" East
30° 30' 50.5" North, 121° 32' 50.6" East
Some cities around Zhouzhuang sort by population:
• Suzhou
		31.4 km =19.5 mi,  311°
311°
• Kunshan
		30.7 km =19.1 mi,  19°
19°
• Jiaxing
		41.6 km =25.8 mi,  192°
192°
• Jiashan
		30.9 km =19.2 mi,  165°
165°
• Songjiang
		36.4 km =22.6 mi,  104°
104°
• Songling
		14.7 km =9.1 mi,  304°
304°
• Mudu
		34.6 km =21.5 mi,  296°
296°
• Zhujiajiao
		20.3 km =12.6 mi,  93°
93°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016