For example , the subway in New York , bullet trains in Japan , underground tube trains in Singapore and the sky trains in Bangkok travel at lightening speed .
For example , the subway in New York , bullet trains in Japan , underground tube trains in Singapore and the sky trains in Bangkok travel at lightening speed . For example , the subway in New York , bullet trains in Japan , underground tube trains in Singapore and the sky trains in Bangkok travel at lightning speed . For example , the subway in New York , the bullet trains in Japan , the underground tube trains in Singapore , and the sky trains in Bangkok travel at lightning speed . For example , the subway in New York , bullet trains in Japan , underground tube trains in Singapore and the sky trains in Bangkok all travel at lightning speeds .