If you visit Brussels at the end of April or at the beginning of May, you should not miss the opening by the royal greenhouses of Laeken (in 2014 from April 18th to May 9th included).
Each year the monarchy opens during three weeks its wintergardens.
It is a splendid walk, which mix greenhouses and a small part of the palace park.
Below details of the interior architecture and varied and luxuriant vegetation.
There is also an interesting collection of camellias, combining small and very old subjects. Here are some examples.
And to finish this presentation (the visit is very rich in colors and diversity), two remarkable moments: