The Government is to study the possibility of building an express railway line linking Hong Kong, Shenzhen and Guangzhou. The link would increase economic activities and boost tourism and income for people in Hong Kong and Guangdong, Chief Secretary for Administration Donald Tsang Yam-kuen said after a one-day visit to Guangzhou yesterday. Compared to current through-train services between Hong Kong and Guangzhou, Mr Tsang said, the new line would be 'faster, more convenient and more comfortable'. He said the Government did not have a time frame for the project. 'We are talking about a possibility in engineering and economic terms. Let's explore that first.' Mr Tsang said he raised the proposal at meetings with Guangdong and Shenzhen officials yesterday. He said the Guangdong officials expressed keen interest and agreed there was a need for further studies, which would include the project's route, design, investment and economic return. Mr Tsang predicted Hong Kong's economy would benefit. 'With a regional express line, all residents in the delta region will be able to enjoy the tourism and shopping facilities in Hong Kong,' he said, dismissing fears that more Hong Kong people would cross the border to shop and buy property. 'Don't look at it negatively, but positively,' he said. 'We have only seven million people. There are more than one billion on the mainland, their consumption power is increasing.'