Complex sentence: Unlike the other sculptures in the park, there was initially a posted sign indicating that the public does not have permission to photograph this sculpture, in spite of its current position alongside Elliot Avenue a major street running through the park.
Split into simpler sentences: Unlike the other sculptures in the park, there was a posted sign indicating that the public does not have permission to photograph this sculpture. Its current position is alongside Elliot Avenue a major street running through the park.