keith wallace in the french city of nantes.ading there any time soon, here's the travel show‘s top tips. the voyage of nantes is an urban trail that winds several miles through the city taking in dozens of artistic and historical sites. the distinctive green line will take you around all sorts of treasures, some of which are created especially for the summer and many of which are free. we have about a0 artists everywhere in town with great installation, follow the green line, it's kind of for children to discover the city with their parents. at the end ofjune the museum of fine arts reopens after a six—year closure. it's been redeveloped and expanded and will become one of the region's largest galleries. treasures include works by picasso, kandinsky and max ernst. if you want a glimpse of some 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 gre

keith wallace in the french city of nantes. let's finish this week deep underneath london.nnels snaked between and alongside the regular tube, the one that we all know about. i've been told to come to liverpool street station, the capital's gateway to the east of england, to see it for myself. this really is the bowels of liverpool street. i think there's a set of stairs i am meant to go down. yeah, right here. that's better. you can actually hear the old tube trains kind of going down so we must be at that level. the station mirrors its counterpart on the central line just above us. itjust lacks that nice tiling and polish. hello, is it ray? yeah, it is. hi, how are you. i am henry. nice to meet you. it's amazing, isn't it. it's almost like stepping back in time, isn't it? it's pretty much how it was when we shut in 2003. nothing much has changed. ray's worked down here ever since it was decommissioned. he is one of three making sure the tunnels are dry and safe. how would it all work? after a letter is received at a sorting office if it needed to be transferred to the rai

we sent keith wallace to find out how the region's industrial past is being used to inspire a new generationver a decade ago, this little island was a decade ago, this little island was a scrap of wasteland close to the centre. a three mile stretch of brownfield site, home only to the odd others who went there in search of peace and quiet. but it didn't stay peaceful for very long. in 2007, this, the great elephant, began taking its daily constitutional. people came from all over to hitch a ride in its belly, and as it prepares to celebrate its 10th birthday, they still come. so this is how you make an elephant role from inside his body. that was incredible. it is so low tack. you can feel the whole thing pull against your body. this is the thing i love. all of these switches are twitching. everytime the elephant is moving. it is so organic, it is incredible. the elephant rides form pa rt incredible. the elephant rides form part of the first huge push to turn the fortunes of the area around. the industry that has recently departed had left a huge, ugly scarjust a stone ‘s throw from the hist

the co-author of keith is bob wallace, a former colleague of mine at the cia. one of the high points of his career was he was chief of technical services. bob was head of the unit that you know from the bond movies as q. that is the easiest way for me to refer to him in that capacity. he is the co-author of "spy craft." he served in the u.s. army in vietnam. he has a masters and political science, university of kansas. speaks and writes on leadership and intelligence and management topics and also serves on the board of advisory in the international spy museum. it is with great pleasure that i welcome both of you and ask you to take the stage. thank you so much. [applause] robert: did you order this water, keith? good evening. delighted to be here. the first challenge in giving any kind of presentation of this type is will this thing work? the answer is yes. so far, so good. the lighted to be here. thank you for attending. you brought better weather than we had earlier today. we will discuss spy sites in washington, d.c. some you may be familiar with. i think y