If I were visiting Oaxaca one way to work with turtles would be to help at the National Mexican Turtle Center. This is an organization that was made to help preserve the turtle population (Lowering due to poaching for shells, meat, and eggs).
Meteo Europe Satellite
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WebCam Napoli, Vesuvio e Monte Somma
Space Weather e condizioni di propagazione HF e mappe MUF