Sydney Opal Tower: Thousands evacuated after 'crack'
Fascinating post by a structural engineer who actually inspected projects by this firm is over in the reddit discussion. 
<a href="https://www.reddit.com/r/sydney/comments/a91wit/opal_tower_structural_damage_sydney_olympic_park/ecg3tpz/" rel="nofollow">https://www.reddit.com/r/sydney/comments/a91wit/opal_tower_s...</a>