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.
PG-13|2 hr 21 min. Plot Summary. During the Cold War, the Soviet Union captures U.S. pilot Francis Gary Powers after shooting down his U-2 spy plane. Sentenced to 10 years in prison, Powers' only hope is New York lawyer James Donovan (Tom Hanks), recruited by a CIA operative to negotiate his release.