Tại sao đèn trong đường hầm có màu cam?
Ánh sáng trong hầu hết các đường hầm đều có màu cam. Dưới ánh sáng này, một chiếc xe màu xanh dương sẽ trở thành đen.
w43hu7hOTOG7pjrhu5I5OeG6uEs2QUBhOuG7qEvDjEHhu5ZATDnhu5IuTMavw6gsTGE4Lizhu7ZMxq/huq8yLOG7tkzhu7hUO0zhu6YhTDvhu5TDoUzhu6bhu5I74buAw40v4bu4TsOMw402TOG7pjrhu5I5OeG6uEs24buV4buo4buSxahLw4xB4buWQEw54buSLkzGr8OoLExhOC4s4bu2TMav4bqvMizhu7ZM4bu4VDtM4bumIUw74buUw6FM4bum4buSO+G7gMONLzbDjMONNkzhu6Y64buSOTnhurhLNuG7leG7qOG7ksWoS8OMw6ks4bu4TDnhu5gs4bu2TGE4Lizhu7ZM4bu4VMOhTOG7uFdhTOG7puG7mOG7pkzGr+G6rzIs4bu2TOG7uFQ7TMavWMOhTOG7piFMO+G7lMOhTOG7puG7kjtGTGrhuq8xQEzhu5gs4bu4TDnhu5gs4bu2TCzhu5Thuqnhu4RMO11hTOG7puG7uEBX4bumTOG6reG7qEw74buUw6FM4bqt4buSLOG7uEzFqOG6rzAs4bu2TDnhu65MYTg0TGHhu7jhu5Qs4bu4TMav4buoLEbDjS82w4zDjWHhu5Lhu6Q64buoTDlh4bqpOuG7qOG6uEs74buSOOG7tkAs4buGTzbhuq1M4buSw6FhLkvDjMONYTjDjMONYcWow4zDjUA74bu2TOG7uOG7qEDhu7bhu7hh4bq4S0/Dk+G7jEtMOTjhu6bhurhL4bu4YWE24buGLy/huqUs4buo4bqtNjjhu6g5OUYs4buoYS/huqRA4buoYSzhu5I7L3Dhu7gu4buSLeG7uC7hu6YvT01Nw5UvTcOVL8OT4buJ4buQ4buTw5Xhu4lsw5IvT+G7jkYmNuG7tktM4bqnQMWoYeG7uOG6uEvDk01NS0zhu6QuOMWo4buoOOG6uEtOS8OMw40vYcWow4zDjS9hOMOMw41hOMOMw41hxajDjMONNsOMa+G6rzIs4bu2TOG7uFQ7TMavw6guTOG7lcagQEzhuqRSLEZM4bq9LOG7uOG7hkxBQFgsTOG7s+G7uC4s4bu2TEbDjS9hxajDjMONL2E4w4zDjS9h4buS4bukOuG7qMOMw402w4zhu7Phu7hULEw6MSxMxq/huq8yLOG7tkzhu7hUO0zGr+G6rzPhu6ZMYTjhu5Is4bu2TOG7pCRMOi7hu5ZATMavw6gsTOG7uDBATDkuxahAw6E7TOG7piFM4bu4QFnDoUw5w6FTYUzhu6bhu5IuTEhhQFbDoUxhfSxMI2FMLOG7nCzhu7ZMOuG6rzMs4bu2TCzhu7jhuq8s4bu2TGE84buSTDnhu5gs4bu2TGF9QEzGr+G7kklGTHEu4buWQEzGr8OoLEws4buU4bqpTOG7piFMxq/hu6Dhu6ZMYSMs4bu4TDbhu7jhu5hhTOG7mCzhu7hMOeG7mCzhu7ZMxq8wLEw54bui4bumTOG6pTFATMavXUzFqOG7lEBMOSEs4bu2TMav4bug4bumTGE44bqvLOG7tkw74buUw6FM4bum4buSO0bDjTbDjHPhu7jhuq8s4bu2TMavw6gsTOG7uDBATDkuxahAw6E7TDrhu5Q7TGHhu7jhu5LhuqlMxq8iQEw54bqzTCzhu7g9LEws4bu4VSxMO+G7lMOhTDnhu6Lhu6ZGTMSp4bu4UCzhu7ZM4bu44buWLOG7hEw7XWFM4bum4bu4QFfhu6ZM4bqt4buoTDvhu5TDoUzhuq3hu5Is4bu4TMWo4bqvMCzhu7ZMOeG7rkxhODRMYeG7uOG7lCzhu7hMxq/hu6gsTGE4Lizhu7ZMxq/huq8yLOG7tkzhu7hUO0ZMQeG7uOG7qC5MQUAsTHPhu7jhu5Is4bu4