National Geographic en Español podcast. Aftersight is a media organization that serves individuals with barriers to print. This podcast is produced by AINC under the Chafee Amendment to the Copyright Act which states that authorized nonprofit organizations whose primary mission is to provide copyrighted works in specialized formats to individuals with barriers to print are exempt. By continuing to listen, you verify you have an eligible print-reading impairment. AINC es uno de los más importantes recursos que tienen las personas ciegas, con impedimentos visuales, o quienes no pueden leer materiales impresos. Esta grabación está destinada a ser utilizada únicamente por personas con impedimentos para leer medios impresos.