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Subject (Region)
- Tropics[remove]290
- Latin America9
- Cold regions6
- Developing countries6
- Eastern Hemisphere6
- Northern Hemisphere6
- Southern Hemisphere6
- Western Hemisphere6
- Africa5
- Puerto Rico5
- Barro Colorado Island4
- Barro Colorado Island (Panama)4
- Earth (Planet)4
- Panama4
- South America4
- Caribbean Area3
- East Asia3
- Luquillo Mountains3
- Luquillo Mountains (P.R.)3
- Asia2