Close up of purple bluebells in bloom in the green grass of the Hallerbos forest, Halle, Belgium, Europe

travel destination photography horizontal colour image outdoors day europe hallerbos forest halle belgium flower in bloom close up beauty in nature growth abundance lush flower head hyacinthoides non scripta common bluebell focus on foreground forest no people belgian culture colour color image color outside tourist destination travel close up close up view nobody no one no one nature the natural world natural beauty foreground focus differential focus european