You might have an Inca-ling about what today's Tuesday Tune-In is all about as we'll be announcing the competition winner live on the show.   We'll also be discussing everything you need to know about trekking Machu Picchu so if you've been PERU-sing the trip then we've got you covered.   Don't forget to alpaca your bags - it's Machu Picchu week   Some questions that have come up in the Facebook group: >> What does it take to summit Machu Picchu? >> Which route do you take? >> How fit do I need to be to do Machu Picchu?   So come and join me and Dave as we delve deep and discuss everything about Machu Picchu and much much more on what's going to be a great show.