"سال فاجعه بار" زیرا یخچال های طبیعی سوئیس 5 درصد از یخ های خود را پس از موج گرما از دست می دهند

‘Catastrophic year’ as Swiss glaciers lose 5% of ice after heatwaves

Scientists are warning that Switzerland's glaciers have lost an ‘enormous’ amount of ice this year.