Teachers watch as blind children use yellow and green gel to signify lemon and lime -- both starting with the letter "L".

- Image ID: CNXAEK
Teachers watch as blind children use yellow and green gel to signify lemon and lime -- both starting with the letter "L".
Marmaduke St. John / Alamy Stock Photo
Image ID: CNXAEK
A teacher watches as blind children use yellow and green gel to signify lemon and lime -- both starting with the letter "L" -- to form the letter "L" by touch and taste on a cardboard cutout in a special needs pre-Braille writing class at the Blind Children's Learning Center in Santa Ana, CA.
Location: Santa Ana, California USA