Celebrate being re-united with your co-workers in person by throwing a "back to the office party!" The party can be hosted anywhere you'd like, but the ideal environment would be in your very own office. Incorporate decorations that will make your office more festive. You can also serve fun drinks & snacks and play games with your co-workers during the event. Include a video stream, so that co-workers that are still not able to attend in person can join-in on the fun!