Auckland's Central Interceptor link sewer map.
New Zealand.
source: https://www.watercare.co.nz/About-us/News-media/Tunnel-Boring-Machine-breaks-through-for-final-tim
Komatsu Hard Rock Mining TunnelBoring Machine.
image copyright Komatsu. Used in relation to press release https://www.komatsu.jp/en/newsroom/2022/20220708
CRCHI First made-in-China Compound TunnelBoring Machine for Super Steep Urban Rail Transit Project Was Launched Successfully.
http://en.crchi.com/art/2023/7/20/art_40592_4605514.html