Tier 3

The Tier 3 is the last Tier of restoration in Terra Nil, consisting in recycle buildings and introduce fauna.
== Recycling ==
Recycling building can be done with several Buildings, depending on the map.
== Animal scanning ==
Scanning Animals is the last part of Tier 3 and requires to build an Animal Observatory. On each map, there are six different species to scan, with at least three to scan to complete the tier.