Let's not

Drain the Aquifers

Roadside bus-stop shelter, glass panels on three sides. Inside one glass panel is a public-service placard reading 'In case of emergency, (fill in the blank)'. The placard is still there but the glass is shattered and a brick lies below it on the sidewalk: which brings to mind (although who knows what the vandal was thinking?) the ubiquitous 'In case of emergency break glass' notices on fire-extinguisher or emergency-brake cabinets.