WERLTE, GERMANY - MAY 26:  King Willem-Alexander of the Netherlands and Queen Maxima are pictured while leaving the AUDI eGas research facility on May 26, 2014 in Werlte, Germany. The King and the Queen are on a two day journey across the State of Lower Saxony and North Rhine-Westphalia of Germany.  (Photo by Alexander Koerner/Getty Images)