Raúl Alva

@alvagraul

Dr Ciencias, Mtro Biología Experimental, Lic Biología UAM, Dipl Educación CIPAE, Dipl Aprendizaje con Tecnologías Digitales MIT, Dipl Riesgo Ambiental INE

Moon over Mexico City, february 20th, 2013, 6:00 pm SLR Camera Samsung Pro850 f/8 1/500 s ISO-100 420mm

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1285 days ago

Moon over Mexico City, february 20th, 2013, 6:00 pm SLR Camera Samsung Pro850 f/8 1/500 s ISO-100 420mm

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