4 { name:'Africa', type:'continent', children:[
5 { name:'Egypt', type:'country' },
6 { name:'Kenya', type:'country', children:[
7 { name:'Nairobi', type:'city' },
8 { name:'Mombasa', type:'city' } ]
10 { name:'Sudan', type:'country', children:
11 { name:'Khartoum', type:'city' }
14 { name:'Asia', type:'continent', children:[
15 { name:'China', type:'country' },
16 { name:'India', type:'country' },
17 { name:'Russia', type:'country' },
18 { name:'Mongolia', type:'country' } ]
20 { name:'Australia', type:'continent', population:'21 million', children:
21 { name:'Commonwealth of Australia', type:'country', population:'21 million'}
23 { name:'Europe', type:'continent', children:[
24 { name:'Germany', type:'country' },
25 { name:'France', type:'country' },
26 { name:'Spain', type:'country' },
27 { name:'Italy', type:'country' } ]
29 { name:'North America', type:'continent', children:[
30 { name:'Mexico', type:'country', population:'108 million', area:'1,972,550 sq km', children:[
31 { name:'Mexico City', type:'city', population:'19 million', timezone:'-6 UTC'},
32 { name:'Guadalajara', type:'city', population:'4 million', timezone:'-6 UTC' } ]
34 { name:'Canada', type:'country', population:'33 million', area:'9,984,670 sq km', children:[
35 { name:'Ottawa', type:'city', population:'0.9 million', timezone:'-5 UTC'},
36 { name:'Toronto', type:'city', population:'2.5 million', timezone:'-5 UTC' }]
38 { name:'United States of America', type:'country' } ]
40 { name:'South America', type:'continent', children:[
41 { name:'Brazil', type:'country', population:'186 million' },
42 { name:'Argentina', type:'country', population:'40 million' } ]