Panoramic images capture metropolises including Sydney, Las Vegas and Shanghai at night (4)

Sergey Rumyantsev, one of the members, says that getting permission has become more difficult in recent years due to the number of drones in the air. Above, a panoramic of Chechnya

The effort is worth it as many of the group's images have won them awards. Above, a statue of Christ captured in Lisbon just after sunset

Some cities are filled with light pollution. Above, the buildings packed into the Manhattan landscape light up the sky like it's day time