A demonstrator wears a mask of Geraldo Alckimin, the Governor of the state of Sao Paulo, while he is taking part in a protest against the record water shortage in front of Palacio dos Bandeirantes, the head office of the government of the state of Sao Paulo, in the city of Sao Paulo, Brazil, on Jan. 26, 2015. Sao Paulo, a metropolitan city of 20 million reeling from its worst drought in more than 80 years, has only two months of guaranteed water supply as it starts using the second of the three emergency reserves, according to local press. (Xinhua/Rahel Patrasso)