No, it was not a glass wall. To be more precise, it was a completely transparent cotton wall.
The ordinary citizens who crashed into it did not sustain bruises on their faces. Instead, they felt an extremely gentle buffering force that penetrated their bodies and traveled to the citizens behind them.
Usually, if a huge team crashed into something and stopped abruptly, the people behind them would definitely fail to stop. If they crashed into the people in front of them, they would definitely be knocked over.
However, as this gentle force buffered, everyone miraculously stopped at the same time and stood firmly on the spot.
Also, the ordinary citizens, who had been crowding together and fleeing in panic, were divided into two teams as a result.
Between the two teams was an open space that was more than twenty to thirty meters long.