Night Light of Liukuaizhuang (Tianjin) from space (China) Src. Average luminocity for 10x10km area is 56.8486% and for 50x50km: 52.7198%.
Square area 10x10 km:
 0.34%
 0.34% 2.21%
 2.21% 18.2%
 18.2% 9.52%
 9.52% 13.44%
 13.44% 15.14%
 15.14% 18.88%
 18.88% 13.61%
 13.61% 7.82%
 7.82% 0.85%
 0.85% 0%
 0%Square area 50x50 km:
 17.82%
 17.82% 11.4%
 11.4% 7.84%
 7.84% 8.07%
 8.07% 5.94%
 5.94% 3.79%
 3.79% 3.89%
 3.89% 3.25%
 3.25% 3.92%
 3.92% 5.53%
 5.53% 28.54%
 28.54%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
39° 47' 25" North, 116° 38' 10.6" East
39° 14' 52.4" North, 117° 20' 21.9" East
38° 42' 4.6" North, 118° 2' 33.1" East
Some cities around Liukuaizhuang sort by population:
• Chitu
		7.4 km =4.6 mi,  132°
132°
• Zaojiacheng
		8.9 km =5.5 mi,  68°
68°
• Huantuo
		2.7 km =1.7 mi,  209°
209°
• Fanzhuang
		6 km =3.7 mi,  183°
183°
• Dongditou
		3.5 km =2.2 mi,  54°
54°
• Dabizhuang
		9.4 km =5.8 mi,  229°
229°
• Xiditou
		1 km =0.6 mi,  49°
49°
• Xiaodian
		9.7 km =6 mi,  274°
274°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016