Conversation so far:
what was Olmsted's involvement with central park?
Olmsted and Vaux entered the Central Park design competition together.
did they win the central park design competition?
They were announced as winners in 1858.
what was special about their design?
The design of Central Park embodies Olmsted's social consciousness and commitment to egalitarian ideals.
when was their design actually implemented?
On his return from the South, Olmsted began executing their plan almost immediately.

Question: what else is interesting about olmsted and central park?
Self-contained rewrite: what else is interesting about olmsted and central park other than their design intent?