A woman dressed as “The Milkmaid” (Het Melkmeisje), after a painting by Dutch painter Johannes Vermeer, picks up tulips at the National Tulip Day on the Dam, Amsterdam, the Netherlands, 16 January 2016. The event is the official start of the international tulip season which runs until the end of April. (Photo by Evert Elzinga/EPA)





Tulips are seen placed in front of the Royal Palace at the Dam Square to celebrate the beginning of the tulip season in Amsterdam, the Netherlands January 16, 2016. (Photo by Michael Kooren/Reuters)





A woman picks tulips that were placed in front of the Royal Palace at the Dam Square to celebrate the beginning of the tulip season in Amsterdam, the Netherlands January 16, 2016. (Photo by Michael Kooren/Reuters)





Coby (R) and Thea Beutler from Amstelveen pick tulips that were placed in front of the Royal Palace at the Dam Square to celebrate the beginning of the tulip season in Amsterdam, the Netherlands January 16, 2016. (Photo by Michael Kooren/Reuters)





People pick tulips that were placed in front of the Royal Palace at the Dam Square to celebrate the beginning of the tulip season in Amsterdam, the Netherlands January 16, 2016. (Photo by Michael Kooren/Reuters)





People pick tulips that were placed in front of the Royal Palace at the Dam Square to celebrate the beginning of the tulip season in Amsterdam, the Netherlands January 16, 2016. (Photo by Michael Kooren/Reuters)





Tulips are seen placed in front of the Royal Palace at the Dam Square to celebrate the beginning of the tulip season in Amsterdam, the Netherlands January 16, 2016. (Photo by Michael Kooren/Reuters)





A woman dressed up as “The Milkmaid” by Johannes Vermeer picks tulips that were placed in front of the Royal Palace at the Dam Square to celebrate the beginning of the tulip season in Amsterdam, the Netherlands January 16, 2016. (Photo by Michael Kooren/Reuters)





Tulips are seen placed in front of the Royal Palace at the Dam Square to celebrate the beginning of the tulip season in Amsterdam, the Netherlands January 16, 2016. (Photo by Michael Kooren/Reuters)





Tulips are seen placed in front of the Royal Palace at the Dam Square to celebrate the beginning of the tulip season in Amsterdam, the Netherlands January 16, 2016. (Photo by Michael Kooren/Reuters)