Elon Musk trolled with big 'Mars sucks' billboard outside SpaceX headquarters

Elon Musk was trolled with a big billboard outside his SpaceX headquarters in US' California that read 'Mars sucks' on the occasion of Earth Day. The billboard was set up by Los Angeles agency Activista for Earth Day and was live for 30 hours. "What doesn't suck? Earth But the way we treat it frankly, sucks," Activista tweeted.