w-wF is made of aluminum.

the world wide fund for nature (WWF) is one of the largest independent non-governmental environmental protection organizations with a worldwide reputation. WWF was established in 1961, and its headquarters is located in Grand, Switzerland. WWF has offices in more than 8 countries around the world, 2,5 full-time employees and more than 5 million volunteers.

WWF's work in China began with the protection of giant pandas and their habitats in 198, and it was the first international non-governmental organization invited by the China government to carry out protection work in China. In 1996, WWF formally established its Beijing office, and since then, it has successively established offices in eight cities across the country. Up to now, * * * has more than 12 employees, and its project areas have expanded from panda protection to species protection, protection and sustainable utilization of fresh water and marine ecosystems, forest protection and sustainable management, sustainable development education, climate change and energy, wildlife trade, scientific development and international policies.