Since super typhoon Mangkhut hit the Philippines early Saturday morning, it has caused extensive damage and killed at least 66 people, with many of the deaths caused by landslides.

The storm is now making its way across mainland China after pummeling Hong Kong, forcing nearly three million people to be moved to safety. After making landfall in China’s most populous province, Guangdong, it killed four before heading west into neighboring Guangxi province late Sunday night.

The storm, which is being called the world’s strongest of the year, is predicted to finally weaken as it continues to move inland through Asia in the days ahead.

Known in the Philippines as Ompong, the storm was packing winds of up to 165 miles per hour—75