![A worker removes a aerosol collector of a Swiss Air Force F-5E Tiger aircraft in Payerne after a radioactivity measurements flight over Switzerland March 23, 2011. An aerosol collector is located under A worker removes a aerosol collector of a Swiss Air Force F-5E Tiger aircraft in Payerne after a radioactivity measurements flight over Switzerland March 23, 2011. An aerosol collector is located under](https://c8.alamy.com/comp/2CYCXDC/a-worker-removes-a-aerosol-collector-of-a-swiss-air-force-f-5e-tiger-aircraft-in-payerne-after-a-radioactivity-measurements-flight-over-switzerland-march-23-2011-an-aerosol-collector-is-located-under-each-wings-of-the-aircraft-and-filters-the-air-to-collect-fines-particles-at-an-altitude-of-6000-meters-19684-feet-the-federal-office-of-public-health-foph-has-been-conducting-flights-on-a-regular-basis-in-the-past-years-to-monitor-the-radioactivity-but-due-to-the-situation-in-japan-decided-to-increase-them-until-end-of-march-2011-the-results-are-not-known-yet-reutersdenis-balibouse-2CYCXDC.jpg)
A worker removes a aerosol collector of a Swiss Air Force F-5E Tiger aircraft in Payerne after a radioactivity measurements flight over Switzerland March 23, 2011. An aerosol collector is located under
![A worker removes a aerosol collector of a Swiss Air Force F-5E Tiger aircraft in Payerne after a radioactivity measurements flight over Switzerland March 23, 2011. An aerosol collector is located under A worker removes a aerosol collector of a Swiss Air Force F-5E Tiger aircraft in Payerne after a radioactivity measurements flight over Switzerland March 23, 2011. An aerosol collector is located under](https://c8.alamy.com/comp/2D0PHK9/a-worker-removes-a-aerosol-collector-of-a-swiss-air-force-f-5e-tiger-aircraft-in-payerne-after-a-radioactivity-measurements-flight-over-switzerland-march-23-2011-an-aerosol-collector-is-located-under-each-wings-of-the-aircraft-and-filters-the-air-to-collect-fines-particles-at-an-altitude-of-6000-meters-19684-feet-the-federal-office-of-public-health-foph-has-been-conducting-flights-on-a-regular-basis-in-the-past-years-to-monitor-the-radioactivity-but-due-to-the-situation-in-japan-decided-to-increase-them-until-end-of-march-2011-the-results-are-not-known-yet-reutersdenis-balibouse-2D0PHK9.jpg)
A worker removes a aerosol collector of a Swiss Air Force F-5E Tiger aircraft in Payerne after a radioactivity measurements flight over Switzerland March 23, 2011. An aerosol collector is located under
![MONTREUX, SWITZERLAND APRIL 23, 2012: Freddy Mercury Statue in M – Stock Editorial Photo © dacasdo #11290671 MONTREUX, SWITZERLAND APRIL 23, 2012: Freddy Mercury Statue in M – Stock Editorial Photo © dacasdo #11290671](https://static9.depositphotos.com/1057263/1129/i/950/depositphotos_11290671-stock-photo-montreux-switzerland-april-23-2012.jpg)
MONTREUX, SWITZERLAND APRIL 23, 2012: Freddy Mercury Statue in M – Stock Editorial Photo © dacasdo #11290671
![The Swiss flag flies from the viewpoint on top of the Rheinfallfelsen, a rocky crag passed on either side by the thundering surge of the Rheinfall, the Rhine Falls near Schaffhausen, northern The Swiss flag flies from the viewpoint on top of the Rheinfallfelsen, a rocky crag passed on either side by the thundering surge of the Rheinfall, the Rhine Falls near Schaffhausen, northern](https://c8.alamy.com/comp/2D8TDBG/the-swiss-flag-flies-from-the-viewpoint-on-top-of-the-rheinfallfelsen-a-rocky-crag-passed-on-either-side-by-the-thundering-surge-of-the-rheinfall-the-rhine-falls-near-schaffhausen-northern-switzerland-europes-largest-and-most-powerful-waterfall-the-rheinfallfelsen-reached-only-by-boat-was-part-of-a-hard-limestone-cliff-flanking-the-former-channel-of-the-high-or-upper-rhine-despite-erosion-it-has-withstood-summer-water-flows-averaging-600-cubic-metres-21000-cubic-feet-per-second-the-river-tumbles-about-23-m-75-ft-before-it-proceeds-more-sedately-towards-germany-2D8TDBG.jpg)
The Swiss flag flies from the viewpoint on top of the Rheinfallfelsen, a rocky crag passed on either side by the thundering surge of the Rheinfall, the Rhine Falls near Schaffhausen, northern
![The Swiss flag flies from the viewpoint on top of the Rheinfallfelsen, a rocky crag passed on either side by the thundering surge of the Rheinfall, the Rhine Falls near Schaffhausen, northern The Swiss flag flies from the viewpoint on top of the Rheinfallfelsen, a rocky crag passed on either side by the thundering surge of the Rheinfall, the Rhine Falls near Schaffhausen, northern](https://c8.alamy.com/comp/2D8TDBA/the-swiss-flag-flies-from-the-viewpoint-on-top-of-the-rheinfallfelsen-a-rocky-crag-passed-on-either-side-by-the-thundering-surge-of-the-rheinfall-the-rhine-falls-near-schaffhausen-northern-switzerland-europes-largest-and-most-powerful-waterfall-the-rheinfallfelsen-reached-only-by-boat-was-part-of-a-hard-limestone-cliff-flanking-the-former-channel-of-the-high-or-upper-rhine-despite-erosion-it-has-withstood-summer-water-flows-averaging-600-cubic-metres-21000-cubic-feet-per-second-the-river-tumbles-about-23-m-75-ft-before-it-proceeds-more-sedately-towards-germany-2D8TDBA.jpg)
The Swiss flag flies from the viewpoint on top of the Rheinfallfelsen, a rocky crag passed on either side by the thundering surge of the Rheinfall, the Rhine Falls near Schaffhausen, northern
![The Swiss flag flies from the viewpoint on top of the Rheinfallfelsen, a rocky crag passed on either side by the thundering surge of the Rheinfall, the Rhine Falls near Schaffhausen, northern The Swiss flag flies from the viewpoint on top of the Rheinfallfelsen, a rocky crag passed on either side by the thundering surge of the Rheinfall, the Rhine Falls near Schaffhausen, northern](https://c8.alamy.com/comp/2D8TDB5/the-swiss-flag-flies-from-the-viewpoint-on-top-of-the-rheinfallfelsen-a-rocky-crag-passed-on-either-side-by-the-thundering-surge-of-the-rheinfall-the-rhine-falls-near-schaffhausen-northern-switzerland-europes-largest-and-most-powerful-waterfall-the-rheinfallfelsen-reached-only-by-boat-was-part-of-a-hard-limestone-cliff-flanking-the-former-channel-of-the-high-or-upper-rhine-despite-erosion-it-has-withstood-summer-water-flows-averaging-600-cubic-metres-21000-cubic-feet-per-second-the-river-tumbles-about-23-m-75-ft-before-it-proceeds-more-sedately-towards-germany-2D8TDB5.jpg)
The Swiss flag flies from the viewpoint on top of the Rheinfallfelsen, a rocky crag passed on either side by the thundering surge of the Rheinfall, the Rhine Falls near Schaffhausen, northern
![A worker removes a aerosol collector of a Swiss Air Force F-5E Tiger aircraft in Payerne after a radioactivity measurements flight over Switzerland March 23, 2011. An aerosol collector is located under A worker removes a aerosol collector of a Swiss Air Force F-5E Tiger aircraft in Payerne after a radioactivity measurements flight over Switzerland March 23, 2011. An aerosol collector is located under](https://c8.alamy.com/comp/2CWFN26/a-worker-removes-a-aerosol-collector-of-a-swiss-air-force-f-5e-tiger-aircraft-in-payerne-after-a-radioactivity-measurements-flight-over-switzerland-march-23-2011-an-aerosol-collector-is-located-under-each-wings-of-the-aircraft-and-filters-the-air-to-collect-fines-particles-at-an-altitude-of-6000-meters-19684-feet-the-federal-office-of-public-health-foph-has-been-conducting-flights-on-a-regular-basis-in-the-past-years-to-monitor-the-radioactivity-but-due-to-the-situation-in-japan-decided-to-increase-them-until-end-of-march-2011-the-results-are-not-known-yet-reutersdenis-balibouse-2CWFN26.jpg)