What is the fine-grained topic of the following text: Pieces included the Open-air collection’s Apsara modular system and Gea tables and chairs, available for visitors to socialise in a more inclusive outdoor area, and indoor furniture, such as iconic Hug armchairs or Tilt chairs, together with nautical-inspired designs and the latest Adam sofa, presented the previous week at the IMM furnishings trade fair in Cologne. Only return the topic.
Furniture Collections and Designs at a Trade Fair