Cooked eggs are coloured on the production line at the Schrall coloured eggs company in the Austrian Village of Diendorf March 16, 2015. Schrall is one of Austria's biggest Easter and coloured eggs producers and makes between eight and 10 million coloured eggs throughout year. (Photo by Leonhard Foeger/Reuters)

Cooked eggs are coloured on the production line at the Schrall coloured eggs company in the Austrian Village of Diendorf March 16, 2015. (Photo by Leonhard Foeger/Reuters)

Cooked and coloured eggs travel along the production line at the Schrall coloured eggs company in the Austrian Village of Diendorf March 16, 2015. (Photo by Leonhard Foeger/Reuters)

Cooked and coloured eggs travel along the production line at the Schrall coloured eggs company in the Austrian Village of Diendorf March 16, 2015. (Photo by Leonhard Foeger/Reuters)

Cooked and coloured eggs travel along the production line at the Schrall coloured eggs company in the Austrian Village of Diendorf March 16, 2015. (Photo by Leonhard Foeger/Reuters)

Cooked and coloured eggs travel along the production line at the Schrall coloured eggs company in the Austrian Village of Diendorf March 16, 2015. (Photo by Leonhard Foeger/Reuters)

Cooked eggs travel along the production line at the Schrall coloured eggs company in the Austrian Village of Diendorf March 16, 2015. (Photo by Leonhard Foeger/Reuters)

Cooked and coloured eggs are stacked in cartons at the Schrall coloured eggs company in the Austrian Village of Diendorf March 16, 2015. (Photo by Leonhard Foeger/Reuters)

Cooked and coloured eggs travel along a conveyor belt at the Schrall coloured eggs company in the Austrian Village of Diendorf March 16, 2015. (Photo by Leonhard Foeger/Reuters)

An employee sorts cooked and coloured eggs on a conveyor belt at the Schrall coloured eggs company in the Austrian Village of Diendorf March 16, 2015. (Photo by Leonhard Foeger/Reuters)

An employee sorts cooked and coloured eggs on a conveyor belt at the Schrall coloured eggs company in the Austrian Village of Diendorf March 16, 2015. (Photo by Leonhard Foeger/Reuters)

An employee lifts eggs on a conveyor belt at the Schrall coloured eggs company in the Austrian Village of Diendorf March 16, 2015. (Photo by Leonhard Foeger/Reuters)

Cooked and coloured eggs travel along the production line at the Schrall coloured eggs company in the Austrian Village of Diendorf March 16, 2015. (Photo by Leonhard Foeger/Reuters)

Cooked eggs are coloured on the production line at the Schrall coloured eggs company in the Austrian Village of Diendorf March 16, 2015. (Photo by Leonhard Foeger/Reuters)