Refracción de luz

¿Por qué parece que hay agua en las calles cuando hace calor? Esta es la respuesta

¿Por qué parece que hay agua en las calles cuando hace calor? Esta es la respuesta

Seguramente alguna vez has visto cómo parece que hay charcos en las calles y al acercarte te das cuenta que se trata de un espejismo
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