People visit the Light and Motion Putrajaya (LAMPU) Festival in Putrajaya, Malaysia, Dec. 30, 2018. The four-day event, which kicked off on Dec. 28, is expected to attract over 1,000,000 visitors. (Xinhua/Chong Voon Chung)

People visit the Light and Motion Putrajaya (LAMPU) Festival in Putrajaya, Malaysia, Dec. 30, 2018. The four-day event, which kicked off on Dec. 28, is expected to attract over 1,000,000 visitors. (Xinhua/Chong Voon Chung)

People visit the Light and Motion Putrajaya (LAMPU) Festival in Putrajaya, Malaysia, Dec. 30, 2018. The four-day event, which kicked off on Dec. 28, is expected to attract over 1,000,000 visitors. (Xinhua/Chong Voon Chung)

People visit the Light and Motion Putrajaya (LAMPU) Festival in Putrajaya, Malaysia, Dec. 30, 2018. The four-day event, which kicked off on Dec. 28, is expected to attract over 1,000,000 visitors. (Xinhua/Chong Voon Chung)

A boy visits the Light and Motion Putrajaya (LAMPU) Festival in Putrajaya, Malaysia, Dec. 30, 2018. The four-day event, which kicked off on Dec. 28, is expected to attract over 1,000,000 visitors. (Xinhua/Chong Voon Chung)

People visit the Light and Motion Putrajaya (LAMPU) Festival in Putrajaya, Malaysia, Dec. 30, 2018. The four-day event, which kicked off on Dec. 28, is expected to attract over 1,000,000 visitors. (Xinhua/Chong Voon Chung)