Greta intensifies
10
6
10
6
2 l
50
1000 
1000
400
100
+40
1000
1000
400
100
+40
2
1000
1000
400
100
+84
1000
1000
400
100
+150
1000
1000
400
100
+316
1000
1000
400
100
+67
