Night Light of Yangcun (Tianjin) from space (China) Src. Average luminocity for 10x10km area is 75.449% and for 50x50km: 37.7434%.
Square area 10x10 km:
 17.69%
 17.69% 19.22%
 19.22% 13.44%
 13.44% 15.82%
 15.82% 11.56%
 11.56% 4.25%
 4.25% 4.42%
 4.42% 7.48%
 7.48% 6.12%
 6.12% 0%
 0% 0%
 0%Square area 50x50 km:
 7.08%
 7.08% 5.12%
 5.12% 7.86%
 7.86% 5.62%
 5.62% 5.99%
 5.99% 4.51%
 4.51% 4.53%
 4.53% 5.39%
 5.39% 7.67%
 7.67% 12%
 12% 34.22%
 34.22%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
39° 54' 19.4" North, 116° 21' 25.8" East
39° 21' 50" North, 117° 3' 37" East
38° 49' 5.4" North, 117° 45' 48.3" East
Some cities around Yangcun sort by population:
• Tianjin
		26.6 km =16.5 mi,  157°
157°
• Yangliuqing
		25.7 km =16 mi,  191°
191°
• Beicang
		15.2 km =9.4 mi,  159°
159°
• Hanjiashu
		19.6 km =12.2 mi,  176°
176°
• Qingguang
		18.5 km =11.5 mi,  187°
187°
• Dabizhuang
		25.4 km =15.8 mi,  138°
138°
• Liukuaizhuang
		27.3 km =17 mi,  118°
118°
• Xiaodian
		18.9 km =11.7 mi,  130°
130°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016