MEGACITIES
BUILDINGS
DEVELOPED
TRAFFIC
INVOLUTION
POPULATION
URBANISEDAREAS
OVERPOPULATION
ENVIRONMENT
METROPOLITANAREA
Q
E
N
I
N
V
O
L
U
T
I
O
N
E
X
A
J
N
Q
N
C
S
T
V
M
A
P
A
A
M
V
A
Q
N
M
L
M
V
K
A
A
E
Q
U
K
X
A
A
Y
O
D
S
E
V
B
I
D
E
V
E
L
O
P
E
D
M
N
T
C
U
T
L
V
R
A
R
O
U
Q
C
F
I
Q
E
O
R
H
X
R
Y
E
O
S
A
I
U
A
A
K
R
G
G
I
A
E
S
O
C
I
N
A
D
A
Q
Q
X
L
E
I
A
T
F
I
G
P
W
Y
M
I
E
E
O
A
A
L
O
P
C
A
F
X
N
O
O
R
E
L
S
A
Q
I
T
O
Y
T
I
L
I
K
I
L
U
B
N
N
I
T
S
Z
M
A
R
T
T
U
C
V
D
I
V
Q
T
Q
N
X
W
K
X
F
M
M
I
P
H
S
L
T
Y
A
G
O
A
O
E
L
U
E
O
L
E
O
E
E
I
A
I
H
C
R
B
Q
W
I
T
J
U
P
S
P
R
U
U
N
K
X
I
X
R
F
A
W
U
B
K
O
I
Y
V
A
B
A
J
R
C
C
U
N
B
A
U
U
B
U
Z
X
M
M
M
R
B
X
O
V
E
R
P
O
P
U
L
A
T
I
O
N
E
E
D
J
A
L
G
O
O
E
Z
I
Z
U
O
B
P
H
E
A
I
Z
A
V
P
E
V
R
I
T
Y
N
I
I
F
U
O
O
R
