Roped up climbers leave the summit of Breithorn at 4,164 metres (13,661 feet) on the ridge marking the border with Switzerland (left) and Italy in the Alpine resort of Zermatt August 4, 2014. Switzerland will vote on November 30 on an initiative from the group Ecopop which proposes a cap on the number of immigrants. The group says it is motivated by concerns about a lack of living space exerting too much pressure on the land and natural resources, rather than by opposition to foreigners. (Photo by Denis Balibouse/Reuters)

A woman walks in central Rason city, northeast of Pyongyang, August 29, 2011. (Photo by Carlos Barria/Reuters)

A sinkhole is seen on the shore of the Dead Sea near Kibbutz Ein Gedi, Israel July 27, 2015. The Dead Sea is shrinking, and as its waters vanish at a rate of more than one meter a year, hundreds of sinkholes, some the size of a basketball court, some two storeys deep, are devouring land where the shoreline once stood. (Photo by Amir Cohen/Reuters)

A bird vendor holds a cage with a bird on a sideroad after a heavy snowfall in Kabul on January 5, 2022. (Photo by Mohd Rasfan/AFP Photo)

The sun rises over the Baltic Sea and a pier with a tea house in Timmendorfer Strand, Germany, Sunday, August 7, 2022. (Photo by Michael Probst/AP Photo)

A Ukrainian serviceman smokes a cigarette at his position at the frontline near Bakhmut, Donetsk region, Ukraine, Wednesday, January 11, 2023. (Photo by Evgeniy Maloletka/AP Photo)

On Guard, Indonesia, by Riksa Dewantara. The explosive eruption and loud rumbling of the Mount Bromo volcano in Bromo Semeru Tengger national park scared the horse causing it to rear up onto its hind legs. Second place, Journeys and Adventures category. (Photo by Riksa Dewantara/SIPA Contest)

A Thai Yoga enthusiast performs during a mass yoga exercise in Bangkok, Thailand, 16 June 2019. Hundreds of Thai and foreign Yoga enthusiasts took part in the mass Yoga exercise organized by the Indian embassy to mark the International Day of Yoga which annually celebrated on 21 June. (Photo by Rungroj Yongrit/EPA/EFE)