Hello. I'm Teanne from Malaysia. Ten of us, which is a group of 5 couples, aged between 50 to 60, are visiting Hangzhou and the surrounding places of interest from Dec 7 to Dec 14. My questions are -a) what will the weather be like? b) what garments and shoes should we wear? c) where should we go for sight-seeing d)what activities are most suitable for us at night? Thanks