Arts & Humanities
Water System
100%
Han Dynasty
87%
Artificial
59%
Water
59%
Capital City
41%
Gardening
29%
Military
22%
Aquaculture
17%
Waterways
16%
Historical Theory
15%
Water Supply
14%
Irrigation
13%
Imperial Power
13%
Urban Planning
13%
Royalty
13%
Historical Documents
12%
Traditional Chinese
12%
Future Generations
12%
Fishing
12%
Urban Space
11%
East Asia
11%
Supremes
11%
Nobility
11%
Leisure
11%
Naval
11%
Heaven
10%
Daily Life
10%
Ruler
9%
Modeling
9%
Millennium
9%
Earth
9%
Planning
9%
Historical Context
9%
China
8%
History
7%
Archaeology
7%
Nature
6%
Names
6%
Economics
5%
Earth & Environmental Sciences
natural environment
64%
capital city
21%
water
20%
urban morphology
15%
defense
10%
world
9%
royalty
8%
urban water supply
7%
urban system
6%
lake
6%
politics
6%
waterway
5%
aquaculture
5%
maturation
5%
urban planning
5%
coordination
5%
fishing
5%
Asia
4%
society
4%
irrigation
4%
document
4%
decision
3%
planning
3%
economics
3%
city
3%
history
3%
need
3%
modeling
2%
analysis
1%
Social Sciences
water
54%
capital city
20%
Agricultural irrigation
11%
Military
8%
shipping lane
7%
water management
6%
urban planning
6%
promotion
4%
time
4%
society
3%
China
3%
planning
3%
organization
3%
politics
3%
history
3%
economics
2%
Engineering & Materials Science
Water
37%
Lakes
13%
Waterway transportation
10%
Aquaculture
8%
Leisure
7%
Urban planning
7%
Water supply
6%
Irrigation
6%
History
6%
Earth (planet)
4%
Fires
4%
Economics
3%