Visitors stand in the Sky Deck observatory of the Kuala Lumpur Tower, the world’s seventh-tallest freestanding tower, as buildings stand shrouded in haze in the Malaysian capital on Wednesday. Photo: VCG

School children wearing face masks sit in front of a mural at the Sky Deck. Photo: VCG

A commuter wearing a face mask exits a subway station in Bukit Bintang, Kuala Lumpur’s shopping and entertainment district. Photo: VCG

Traffic travels along the Federal Highway shrouded in haze in Shah Alam, capital of the state of Selangor, Malaysia. Photo: VCG

The Petronas Twin Towers, center, and other buildings stand shrouded in haze in Kuala Lumpur. Photo: VCG