Itinerary for two in feb. 2015

two of us only;
we hope you could offer some ideas for touring in sichuan for 4 nights 5 days itinerary. museum; culture; sightseeing;
we come from london... or if you could suggest a place that is around 8C in the day...
we have been to : beijing; shanghai; chongqing; guilin ; yangzijiang cruise; yunan ; and guangzhou already in the past, will not wish to repeat. i checked and xiamen is not very interesting to stay for 5 days....
g.kirk and twong