acknowledgement angles ANZAC memorials appearance Australian historic historical history lest we forget light marble marble memorial memorial memories peace plaque polished remembering remembrance reminder slogan smooth stonework tribute wall war war memorials ANZAC-memorial Australia contemplation defence-forces loss Perth reflection sadness soldiers symbol symbolic war-memorial Western-Australia eternal flame flame ANZAC-memorials eternal-flame fire garden gardens grass grassed areas green lawn lawns memorial park memorial park gardens memorials open space patio peaceful pergola plaques ponds public shade shadows shelter shrubbery shrubs spacious sunlight sunshine tree trees tributes water