A graffiti-covered Quantum tramcar cruises along Line T1 in the East Lake High-tech Development Zone, also known as Optics Valley of China, in Wuhan, the capital city of Central China's Hubei province. The artwork on the tramcar was completed over two days by 13 artists from across China. The tramcar will operate for one year, showcasing the colorful graffiti to students, commuters and residents in Optics Valley. [Photo/WeChat account of Optics Valley of China]

The graffiti-decorated tramcar pulls up to a station in Optics Valley. According to artists, the vibrant art was designed during the prevention and control period for the COVID-19 pandemic. [Photo/WeChat account of Optics Valley of China]

A young passenger examines the graffiti-covered tramcar in Optics Valley. [Photo/WeChat account of Optics Valley of China]