Work no rest, where's the comma?

They work from dusk,

Two fishermen working on a boat. Sun has just risen, Ko Samet island, Thailand
Two fishermen working on a boat. Sun has just risen, Ko Samet island, Thailand

through heat of mid-day,

Beach vendor with a typical yoke, selling fruits, Ko Samet island, Thailand

Beach vendor with a typical yoke, selling fruits, Ko Samet island, Thailand

until late night. It's sometimes even uncomfortable to see the same person working and ready to serve you food for 12 or more hours a day for a minimal wage. You hope you earned that right by working long hours back home, where it's dark and rains. But deep inside you know that..