1. Lighthouses
Lighthouses were once regarded as an archetypical public good, because ships could benefit from the light without being forced to pay.

2. Due to their function as beacons of safety, various organizations choose lighthouses as a symbol.

3. The lighthouse is also the symbol of US organization for the blind
And More…
Find Your Local Lighthouse For The Blind on Google: Search for “lighthouses for the blind”

4. screw pile lighthouses despite blindness.
Alexander Mitchell invented and built a number of
screw pile lighthouses despite blindness.

5. The Lighthouse is a beacon of Hope…

6. Interesting, right?
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