1. An unmanned aerial vehicle, comprising:a vehicle body comprising a first positioning device;
a landing gear configured to detach from the vehicle body,
wherein when the landing gear is detached from the vehicle body, the vehicle body determines a position of the landing gear by using the first positioning device, and
wherein the landing gear has a groove configured to provide a place for parking of the vehicle body;
wherein the vehicle body further comprises a transparent housing having a shape matches a shape of the groove; and
wherein the groove supports the transparent housing for the parking of the vehicle body.