The Saudi Arabian government has built the world’s largest international garden called King Abdullah International Garden (KAIG) in the municipality of Riyadh, the capital of Saudi Arabia. 40% of the project is already reported to be completed, making it one of the largest environmental projects in the world. Most of the concrete and metal structures of the project have been completed, including a large part of the coverage of the Botanical Museum building (Al-Hilaline – Two Crescents) which exceeds the area of ​​90 thousand square meters. Completion of a large portion of the infrastructure work at the project site is also confirmed, said to exceed a total area of ​​2 million square meters. The most goal and feature of the project is to spread awareness in terms of nature conservation, to raise environmental awareness in the field of plants, climate change and other related scientific researches will collaborate with higher education for the new generation. The Botanical Museum building is the main building of the project. It is considered as an architectural icon for the Botanical Gardens.
 The Botanical Museum building will have 7 gardens which will reveal the ancient historical period of plants, also their evolution from the Devonian period to the modern era. The garden will house 14,000 species of native and imported plants. Moreover, the garden will have many service buildings such as restaurant, cafe, educational games and childcare area. The project is expected to be completed between the end of 2024 and the beginning of 2025, the authorities said.