Here is a simple example:
ABC locomotive 123 456 with a local train, leaving station Anyplace
for Somewhere Else.
Photo by J. Random User (user@host.domain.net)

Romanian CFR Regio train bound for Craiova meets with CFR IR train going towards Timișoara Nord at Orșova station.
Photo by T. Sprînceană (tudorsprinceana@yahoo.com)