How many miles in length is the Great Wall of China?
13171
1200
1400
1300
1200
1400
900
660
1300
640
1200
1400
900
183
333
660
1300
640
1100
1200
1400
750
900
168
183
333
660
1300
640
650
1200
1400
750
900
168
183
333
660
1300
1100
640
1200
1400
900
168
183
999
333
660
720
650
1300
1100
750
135
1200 miles
266
1300 miles
1200
1400
900
1400 miles
183
640
660
630
550
650
1300
1100
168
900 miles
123
108
1100 miles
135
333
720
1200
1400
750
999
266
1300
1100
900
183
108
1066
135
167
640
550
1200
1400
168
640 miles
660
630
1300
1100
660 miles
136
123
108
135
128
720
650
365
1200
1400
132
175
750
900
999
1066
167
333
1300
1100
1250
183 miles
183
135
128
333 miles
1200 miles
144
136
1200
1400
175
1300 miles
168
1400 miles
1066
640
112
105
550
1300
2
1100
132
1250
840
108
900 miles
170
135
128
175
225
123
2
1066
102
112
660
630
720
650
365
1100
750
1250
170
135
128
167
333
2
750 miles
144
175
108
999
112
1100
640 miles
136
660 miles
900
1250
2
512
1066
666
170
135
128
555
105
175
1300 km
183
133
112
216