Photographing and conducting video filming of sights or objects today can be done in Azerbaijan without any restrictions. An exception is the metro, in which it is necessary to provide the controlling services with written permission from the management. If the tourist attracted the attention of unfamiliar people for photography, then, according to the rules of etiquette, you must ask for their consent.
Water from the aqueduct in Azerbaijan is considered safe for drinking. But experts recommend using better bottled, or boiled water. In places of public catering, restaurants and hotels use spring water, poured into plastic bottles.
The network can withstand 220-240V (frequency 50Hz). Electric sockets are of the Eastern European type (two pins).