Https://maps.google.com/maps?oe=UTF-8&hl=en-us&client=safari&um=1&ie=UTF-8&fb=1&gl=us&entry=s&sa=X&ll=21.4691137,-78.6568942&z=5&ftid=0x8eb9e309d5a038b7:0xc67ecf32cac5dbdc&q=Caribbean&gmm=CgIgAQ%3D%3D&ved=2ahUKEwiZndPamdzdAhUPSN8KHQXoD4AQ8gEwAHoECAoQAQ
        
             
        
        
        
Answer: migrantes estão no caminho e não se sabe do estatus deles {exilados, fugitivos etc etc} e nem sempre sabemos o objetivo, ponto final ou destino deles. Imigrantes são pessoas que acabaram de chegar no país que lhes recebeu (expressao "imigrantes" descreve a perspectiva dos habitantes do pais que lhes recebeu). Emigrantes sao aqueles que abandonam o país (expressao "emigrantes" descreve a perspectiva do habitantes do país de origem).
Explanation: As três palavras tem significado diferente e sempre requerem compreensao. Migrante está no caminho, imigrantes está chegando ou já chegou, emigrante está abandonando o pais de origem.
 
        
             
        
        
        
The best example is their amazing system of roads. The Incas built roads across the length and width of their empire. To create routes through steep mountain ranges, they carved staircases and gouged tunnels out of rock. They also built suspension bridges over rivers. 
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Temperatures raise as the altitude increases. It also absorbs all the suns rays and energy making it warmer. <span />
        
                    
             
        
        
        
<span>The Ogallala aquifer (a part of the High Plains aquifer) is one of the most important areas for getting water in the central and western parts of Kansas. This would be the most likely region in which a cattle rancher would live if they're getting their water from this aquifer.</span>