Night Light of Dabizhuang (Tianjin) from space (China) Src. Average luminocity for 10x10km area is 91.1867% and for 50x50km: 63.5272%.
Square area 10x10 km:
 42.86%
 42.86% 21.1%
 21.1% 18.02%
 18.02% 10.23%
 10.23% 7.14%
 7.14% 0.65%
 0.65% 0%
 0% 0%
 0% 0%
 0% 0%
 0% 0%
 0%Square area 50x50 km:
 19.56%
 19.56% 13.53%
 13.53% 10.27%
 10.27% 9.99%
 9.99% 8.38%
 8.38% 5.46%
 5.46% 5.28%
 5.28% 4.98%
 4.98% 5.48%
 5.48% 3.82%
 3.82% 13.26%
 13.26%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
39° 44' 9.2" North, 116° 33' 9.8" East
39° 11' 35" North, 117° 15' 21" East
38° 38' 45.6" North, 117° 57' 32.3" East
Some cities around Dabizhuang sort by population:
• Tianjin
		8.9 km =5.5 mi,  230°
230°
• Chitu
		12.7 km =7.9 mi,  84°
84°
• Beicang
		12.4 km =7.7 mi,  292°
292°
• Huantuo
		6.9 km =4.3 mi,  57°
57°
• Fanzhuang
		6.8 km =4.2 mi,  89°
89°
• Xiditou
		10.4 km =6.5 mi,  49°
49°
• Liukuaizhuang
		9.4 km =5.8 mi,  49°
49°
• Xiaodian
		7.2 km =4.5 mi,  340°
340°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016