treasures include works by picasso, kandinsky and max ernst. of the region's most important chateaux, head a couple of hours up the river to places like chambord, amboise, loire. they're not only historically important, they‘ re also beautiful to look at. and finally, if you fancyjoining in the great elephant‘s birthday party, it's being held onjune 30th. the venue is across the river at the old quarry where the heron tree will one day be built. entry from 8.30pm is free. next this week, london by night. the latest in our series looking at what the city gets up to after dark. this time we're off to meet baker street's nocturnal florist. we are 2a/7, so it never close. yeah, we don't have keys. we can never shut down, if something goes wrong. my name kaleem and i work at flower station as a night shift supervisor. it's used to be a petrol station about 13 years ago but since then it's a flower show. our customers at night are kind of, you know, especially what i believe lovers. when they fight with each other one thing can fix that relationship,