Night Light of Wanxian (Chongqing) from space (China) Src. Average luminocity for 10x10km area is 40.7203% and for 50x50km: 3.4223%.
Square area 10x10 km:
 2.97%
 7.69%
 5.42%
 6.12%
 9.09%
 7.87%
 5.42%
 5.24%
 11.19%
 24.48%
 14.51%Square area 50x50 km:
 0.21%
 0.51%
 0.36%
 0.42%
 0.74%
 0.6%
 0.57%
 0.32%
 0.9%
 2.97%
 92.4%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
31° 25' 2.6" North, 107° 40' 4" East
30° 48' 55.6" North, 108° 22' 15.2" East
30° 12' 34.9" North, 109° 4' 26.5" East
Some cities around Wanxian sort by population:
• Nanchong
		218.3 km =135.6 mi, 
269°
• Gaoping
		216.7 km =134.7 mi, 
268°
• Fuling
		154.9 km =96.3 mi, 
217°
• Ankang
		216.1 km =134.3 mi, 
16°
• Dazhou
		94.1 km =58.5 mi, 
298°
• Beibei
		215.7 km =134 mi, 
239°
• Enshi
		121 km =75.2 mi, 
118°
• Lichuan
		73.4 km =45.6 mi, 
141°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016