Photo gallery

William E. Kugler

A bird's-eye view of Shanghai

Photo courtesy of the China National Waterproof Building Materials Industry Association.

A typical urban residential area in China

Photo courtesy of the China National Waterproof Building Materials Industry Association.

The National Olympic Center pictured here will be used in the 2008 Summer Olympics in Beijing.

Photo courtesy of the China National Waterproof Building Materials Industry Association.

The Forbidden City is an example of ancient architectural features that had been used in China.

Photo courtesy of the China National Waterproof Building Materials Industry Association.

The National Research Council Canada's rooftop garden test facility in summer and winter.

Photo courtesy of the Canadian Roofing Contractors' Association.

The National Research Council Canada's rooftop garden test facility in summer and winter.

Photo courtesy of the Canadian Roofing Contractors' Association.

A Canadian roofing worker applies a modified bitumen membrane during winter.

Photo courtesy of the Canadian Roofing Contractors' Association.

Lack of affordable insurance has led some firms to abandon hot-applied roofing and others to leave the industry altogether.

Photo courtesy of the Canadian Roofing Contractors' Association.