Eurostar Class 373s (E300) return to passenger service!

This Video is Property of Richard Chalklin! 1080p 50fps HD! After 2 years of being out of service due to COVID the Class 373s have finally made a comeback to HS1 after Eurostar announced it would be bringing 7 sets back as the timetable is due to increase. I saw my first 373 in ages at Boxley in December 2021 when i did my night spot. However there are a few unseen clips that i had filmed of the 373s between January & March this year that i would like to show! In January into early February the 373s did test runs between London & Ashford for driver refresh & crew refresh. I went to Stratford & Ashford on January 28th which was my third attempt in trying to get them as the previous 2 trys the test runs had been cancelled! (these test runs were booked to run Wednesday & Fridays, however it mostly ran on a Friday). 2 months later i made a return to Boxley on HS1 on February 25th, the 373s 3rd day back in passenger service, unfortunately for me both the diagrams h