What does this Chinese reporter say about APEC and Putin?
光艺展示，巨型的视频网幕，和焰火三个部分。

光艺展示: Display of light effects

巨型的视频网幕: Giant video display,

各个经济体的领导人在饶有兴致地交谈，刚才我们看到普京总统特地地把一件外套披在了彭丽媛的身上。

经济体: Economic entity

饶有兴致: With quite some interest

特地：Specially, with the quality of caring and thoughtfulness.