Hi guys n gals im going a trip up to north of China to see the ice sculpting festival was wondering which lens i should bring?At the moment im thinking to take with me for sure is 14-24mm but now im juggling between this 2.....24-70 or 70-200? should i leave the 24-70 home n take 70-200 plus 50mm prime ?First time see snow and is gonna be -40 degree..