Complex sentence: ANZAC Day parades, with Australian war veterans (and war veterans of allied nations) take place in Adelaide Street, on 25 April every year, and dawn services are held at the Shrine of Remembance within ANZAC Square at Adelaide Street.
Split into simpler sentences: ANZAC Day parades, with Australian war veterans (and war veterans of allied nations) take place in Adelaide Street, on 25 April every year. Dawn services are also held at the Shrine of Remembance within ANZAC Square at Adelaide Street.