New Delhi, Dec 31 (IANS): Twenty senior citizens were Wednesday given a free Metro ride and also taken on a tour of the Metro Museum on the occasion of the museum's sixth anniversary.

The Metro Museum, located inside the Patel Chowk Metro station, was opened to visitors Dec 31, 2008.

"A group of 20 senior citizens associated with the NGO, Sehyog Vikas Samiti, Badarpur, was invited to the Metro Museum on the occasion of its sixth anniversary. These senior citizens were brought by Metro from Tughlakabad and taken on a tour of the museum," a Delhi Metro statement said.

The statement added that some of the elderly had never boarded the Metro earlier.

On the occasion, a new exhibit showing a standard gauge train model coming out of an elevated Metro station was also unveiled.

"This new exhibit is expected to be a great attraction for the visitors to the museum. A hand crafted standard gauge train model and new models of toy trains were also unveiled," the statement added.