A disturbing cloud has appeared from the west. It moves slowly towards the centre of the country, prompting the population to take to the roads. As it advances relentlessly, panic increases. It is a cloud of acid.
1997
1963
2004
2019
1992
1995
1948
2010
1965
1895
1977
1974
1968
2025
1951
1929
1945
2015
1960
1987