GEORGE TOWN, June 10 -- Penang is calling on Melaka to adhere to Unesco heritage building guidelines to preserve the joint heritage inscription of both cities.

Penang tourism and creative economy committee chairman Wong Hon Wai said he had read about some building issues in Melaka.

"So, in Melaka, they need to adhere to heritage preservation guidelines as well," he told reporters today.

He said Melaka and George Town were jointly inscribed as Unesco World Heritage site so both cities must adhere to Unesco guidelines to maintain the status.

He said since the inscription in 2008, George Town has implemented various measures to protect the heritage site.

"We are not only preserving heritage buildings but we are also protecting intangibl...