The Pavilion with Flowers is one of the many Industrial Age decorations and can be build after researching Victorian Houses. When the Pavilion with Flowers is polished, its output of happiness is doubled for 12 hours.
+56.75 per tile.
Your decoration can be polished to double the happiness provided to +454 for 12 hours.
- ↑ The efficiency is calculated by the happiness it provides divided by the number of squares the building takes up in size.