Misteriosas Linhas de Nazca
Autor: Stephanie Reichel | Publicado: 2013-01-08T04:40:00-08:00

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&nbsp;Elas
são obras de arte notáveis sob qualquer ponto vista. Porém, para que serviam? 
Algumas das teorias sugerem que as linhas
eram antigas pistas de corrida, pista de aterrissagem para extraterrestres ou
até mesmo uma calculadora astronômica gigantesca. Mas depois de décadas de
especulações, a arqueologia moderna pode finalmente ter uma resposta para o
mistério das linhas de Nazca.&nbsp;

As linhas são desenhos rasos feitos no chão,
removendo as pedras avermelhadas onipresentes na região e descobrindo o chão
esbranquiçado por baixo. Centenas são simples linhas ou formas geométricas, com
mais de setenta desenhos de animais, aves, peixes ou figuras humanas. Os
maiores têm mais de 200 metros de diâmetro. Os estudiosos divergem na
interpretação dos efeitos dos projetos, mas eles geralmente atribuem um
significado religioso para eles.

Os desenhos geométricos poderiam indicar o
fluxo de água ou estarem ligados a rituais para convocar água. As aranhas,
pássaros e plantas poderiam ser símbolos de fertilidade. Outras explicações
possíveis incluem: sistemas de irrigação ou gigantes calendários astronômicos.

Devido ao clima seco, sem vento e estável do
planalto e ao seu isolamento, a maior parte das linhas foram preservados.
Extremamente raras em mudanças climáticas podem alterar temporariamente os
projetos em geral.