Detail of walkway Source: SAIA 2018:41 Photographer: Unidentified

Handrail detail Source: SAIA 2018:41 Photographer: Unidentified

Walkway meandering through cave Source: SAIA 2018:41 Photographer: Unidentified

Walkway meandering through cave Source: SAIA 2018:41 Photographer: Unidentified

Sleepers in position Source: SAIA 2018:41 Photographer: Unidentified

Support structure fixed to sleepers Source: SAIA 2018:41 Photographer: Unidentified

Laying the decking Source: SAIA 2018:41 Photographer: Unidentified