Germany coach Joachim Loew said his side will need to adapt to hot and humid conditions against Ghana, USA and Portugal at the World Cup.
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Loew's Germany kick off their Brazil 2014 campaign in Group G against Portugal in Salvador on June 16 before facing Ghana's Black Stars in Fortaleza on June 21 then take on the USA in Recife five days later.
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"In our preparations, we have to get used to the humidity and high temperatures," said Loew.
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"I have already been to Fortaleza and Recife, where we will find difficult conditions to acclimatise to.
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"We will have to adapt our preparations."
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The Germans have yet to decide between using either Salvador or Sao Paulo as their World Cup base with the Fifa deadline set for December 18.
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Loew will lead a delegation from the German Football Federation (DFB) to visit both hotels over the weekend before flying home.
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All three games will be played on Brazil's coast, with the games against Portugal and the USA kicking off at 1300 local time, with average daytime high temperatures of around 30 degrees Celsius (86 Fahrenheit) expected in both Salvador and Recife.
Every team at the world cup should be ready to face the heat in Brazil.