but a research team examed blood from about 1,700 tortoises on isabella island about 60 kilometers from la pinta. the scientists say they share traces of george's genes. 5 of the 17 are at most 20 years old and that their parents could be pure la pinta tortoises that are still alive. >>> a large aquarium equipped with giant fish tanks is making a splash in singapore.jcj the aquarium is located on a resort island. its tanks hold 45 million liters of seawater. the tanks are home to 100,000 marine animals representing about 800 species. the largest tank is eight meters high by 36 meters wide. manta rays and sharks swimming with smaller fish entertain visitors. another tank features a tunnel. it gives visitors the sensation of walking on the seabed. >> will there's a lot of big fish inside which are very nice. >> one section of the tank doubles as a wall of a hotel. guests can get a glimpse of the underwater world while lying in bed. over 13 million foreign tourists visited singapore last year. that's more than twice the country's population. now the city has another site that will reel in