Bus , Subway , even plane are means of travelling which can be used in a lot of areas .
Bus , subway , even planes are means of travelling , which can be used in a lot of areas . The buses , subways , and even planes are means of travelling , which can be used in a lot of areas . Bus , subway , and even plane are means of traveling that can be used in a lot of areas . Buses , subways , and even planes are means of traveling that can be used in a lot of areas .