A boy plays in a tulip field in Lisse, central Netherlands, on April 22, 2013.(Xinhua/Robin Utrecht)

A woman rides across a tulip field in Lisse, central Netherlands, on April 22, 2013.(Xinhua/Robin Utrecht)

A young lady plays in a tulip field in Lisse, central Netherlands, on April 22, 2013.(Xinhua/Robin Utrecht)

A man walks in a tulip field in Lisse, central Netherlands, on April 22, 2013.(Xinhua/Robin Utrecht)