Spring in Southwest China's Yunnan province can be hot and the temperature has already climbed to 32 C. Even for someone who is fit, the plateau's weather can be unbearable, resulting in dizziness, nausea and difficulty breathing.

Chen said when they first entered the work site, they had no running water, no electricity and no mobile communication for almost four months due to the high elevation, which also brought headaches, dizziness, nausea, vomiting and tinnitus to newcomers.

The optical projection module in VR equipment still causes dizziness during long-term wear.

Aspects like how to avoid dizziness while watching VR content need to be sorted out.