Waymo's robot taxis have become a ubiquitous fixture in the city of San Francisco.Mario Tama/Getty ImagesWaymo's robot taxis debuted to the public in San Francisco in June.An engineer set up a livestream of a Waymo parking lot after being woken up by the cars' honking.One viewer compared the stream to a digital fish tank, the engineer told BI.On an early July morning, Sophia Tung woke up to the incessant honking of Waymos, the self-driving robot taxis built by Alphabet, outside her apartment in the South of Market neighborhood of San Francisco.In a video she posted on YouTube, the Waymos can be seen slowly finding their parking space in a depot of other parked Waymos — driving in reverse, driving forward, and honking at no one.As she watched the Waymos, Tung, an SF resident of about eight years, thought it'd be funny to livestream the self-driving cars clumsily navigating their way in the parking lot.