There was even a small tidal pool where visitors were encouraged to hold in their own hands such creatures as starfish and spiny sea urchins.
(visitors; were encouraged; to hold in their own hands such creatures as starfish and spiny sea urchins; L:even a small tidal pool) (visitors; to hold; L:in their own hands; such creatures as starfish and spiny sea urchins)
visitors visitors
were encouraged to hold
to hold in their own hands such creatures as starfish and spiny sea urchins L:even a small tidal pool
L:in their own hands such creatures as starfish and spiny sea urchins