This nest building behavior is instinctual for male bettas and it is not necessary to have a female present to observe your betta building his nest. Most males will blow bubbles but the rate and size of the nest seems to depend on the individual male and possibly, other factors like age, health and water parameters.
Berlin was always the centerpiece of the Cold War and, more often than many remember, very nearly the front line of real combat. At the end of World War II, the city was divided into four sectors, each occupied by one of the four allied armiesâU.S., Soviet, British, and French.
1 And the winter in Berlin 1945-1946 was very severe-up to minus 30 degrees. 2  All of those conditions and the fact of surrender and realization of the results of the WWII played a fundamental role in the future rebuilding of Germany during the cold war and later after unification of West and East Germanys.ince Berlin as a capital of Germany was during the conference of Yalta divided into 4 parts (British, French, US and Soviet sectors), soldiers of the other three allied arrived in July in accordance with the decisions of the conference. The Allied Control Council for Germany took place in Berlin.