how to get blueprints for great buildings in forge of empires

How do I stop being plundered in Forge of Empires? It is the only building that cannot be sold and also the only building that changes its appearance when advancing through the ages. All buildings except decorations and some special buildings have to be connected to the Town Hall via roads. The Town Hall is the main building of the town. What is the main building in Forge of Empires? Special Building means a building solely used for the purpose of a drama or cinema theatre, a drive-in-theatre an assembly hall or auditorium, an exhibition hall, theatre, museum, a stadium, a “Mangal Karyalayas” or whether the built-up area of such a user exceeds 600 sq. Each of those building require certain amount of available population. Population is needed to build production, military and goods buildings.

Some of the Great Buildings and special residential buildings also provide population.

To gain population residential buildings must be built.

What buildings give population in Forge of Empires? The Castle del Monte is the greatest Great Building in the whole of Forge of Empires, and it is even better than the Alcatraz.

How to get blueprints for great buildings in forge of empires