sentences:  The cooperation has been consolidated by unexpected actions of goodwill from both nations.In the summer 2010 Bulgaria dispatched 90 firefighters to Israel to join the efforts to put out a massive wild-fire that raged outside of Haifa.In the summer of 2012, Israel sent two 'Air Tractor' planes to Bulgaria to help that nation fight a wild-fire in the Vitosha Mountains near Sofia further signifying notions of repayment and as well as the strengthening of relations between the two countries.