کارشناسان می گویند یخچال های طبیعی سوئیس امسال 5.5 درصد از یخ های خود را از دست دادند که دومین تلفات سالانه به دلیل امواج گرما و برف کمتر است.

Experts say Swiss glaciers lost 5.5% of their ice this year, second-biggest annual loss, due to heat waves and less snow

Experts say Swiss glaciers lost 5.5% of their ice this year, second-biggest annual loss, due to heat waves and less snow