Dragonflies, other insects in city center

This video is called [Female] Green-eyed Hawker – Aeshna isoceles – Vroege glazenmaker / Schoten – Belgium / June 2015.

According to Leids Nieuwsblad weekly, 21 June 2018, green-eyed hawker dragonflies are among insect species seen in the Kruidentuin garden in Leiden city center. Others are hummingbird hawk-moth, European wool carder bee and hornet mimic hoverfly.