BEIJING, Nov. 19 (Xinhua) -- Nearly 70 countries and international organizations worldwide have been confirmed to participate in the International Horticulture Exhibition 2019, to be held in Beijing.

The organizing committee said that since August 2016, countries including the UK, Germany, the Netherlands, Japan, India, Singapore and Thailand, along with international organizations like the Shanghai Cooperation Organization, and International Network for Bamboo and Rattan have been confirmed as participants.

It is estimated that about 100 countries and international organizations will join the 162-day expo when it opens on April 29, 2019, in Beijing's Yanqing District.

The international portion of the exhibition will consist of areas for Europe, Africa, Asia, America and Oceania, as well as an area for International Organizations.

During the expo, all countries will have the chance to hold activities such as national days, cultural exhibitions, business communications, and professional forums.

More than 4,000 construction workers are building the exhibition park. Landscape construction and infrastructure such as water and electricity supply facilities have been partially completed.