Romano Benet and his wife Nives Meroi, both 55, reached the 8,091-metre (26,545-foot) Annapurna summit on Thursday morning, without using oxygen or porters just as they have in all their ascents, according to the Italian daily Corriere della Sera.
The final climb to the top starting at an altitude of 7,200 metres was "the hardest but also the most beautiful," Meroi told her sister Leila, the newspaper said.
Before the Italian couple, only 34 mountain climbers had been able to conquer the Earth's 14 highest summits -- all over 8,000 metres -- and only half of them did it without oxygen.
The first one was the legendary Italian mountaineer Reinhold Messner who completed his climbs in 1986 before retiring.
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Meroi was a contender for the female title, but she took a break in 2009 to be by the side of her sick husband.
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