Portuguese taxi drivers protest against ride-hailing services at the Lisbon airport, in Portugal, on Oct. 10, 2016. Three taxi drivers were detained during the protest to demand a government crackdown on ride-hailing services like Uber and Cabify. Thousands of angry taxi drivers went on strike during the morning rush-hour, blocking traffic and causing delays. (Xinhua/Zhang Liyun)
Portuguese taxi drivers protest against ride-hailing services at the Lisbon airport, in Portugal, on Oct. 10, 2016. Three taxi drivers were detained during the protest to demand a government crackdown on ride-hailing services like Uber and Cabify. Thousands of angry taxi drivers went on strike during the morning rush-hour, blocking traffic and causing delays. (Xinhua/Zhang Liyun)
Portuguese taxi drivers protest against ride-hailing services at the Lisbon airport, in Portugal, on Oct. 10, 2016. Three taxi drivers were detained during the protest to demand a government crackdown on ride-hailing services like Uber and Cabify. Thousands of angry taxi drivers went on strike during the morning rush-hour, blocking traffic and causing delays. (Xinhua/Zhang Liyun)
Portuguese taxi drivers protest against ride-hailing services at the Lisbon airport, in Portugal, on Oct. 10, 2016. Three taxi drivers were detained during the protest to demand a government crackdown on ride-hailing services like Uber and Cabify. Thousands of angry taxi drivers went on strike during the morning rush-hour, blocking traffic and causing delays. (Xinhua/Zhang Liyun)
