Neighbor effects:
Everything effects apartments just like a house but 2x. See the other buildings for more information.

Cost: -2 Energy
Cost: -2 Gold
Earns: + Gold

Special Rules:
Every shop, park & forest in the city gives hotels +1 more gold. Every industry or energy -1 gold.

Cost: -4 Gold
Earns: +5 Energy

Special Rules:
Can only be build next to  parks, forest, sawmills, highways, trains, farms or empty lands. But don't give any negative effects.

Cost: -3 Gold
Happiness: +1 general happiness
Happiness: +1 happiness to houses, shops & office

Neighbor effects:
+ 1 Happiness to all neighbors except for Industry and Energy.

Cost: -2 energy
Earns: +2 gold
Unhappiness: -2 to hotels

Special Rules:
Can only be build next to forests.

Cost: -2 energy
Unhappiness: to houses, offices and hotels 

Special Rule 1:
Sawmills and factories build next to it earn 2x that much gold.

Special Rule 2:
Train tracks get -1 more unhappiness extra per train station.

Neighbor effects:
-1 unhappiness to everything except Energy, Industry and shops. But for every train-station they give -1 more unhappiness to houses, hotels and offices

Neighbor effects:
-1 unhappiness to houses, hotels and offices.