jmTxStreet.comL®A better visualisation of segwit txs would be passangers leaving their luggage (witness part) on a trailer attached to the bus, and then boarding the bus with the legacy txs.
https://whatsonchain.com/tx/8a20f45ffd5d4d1006b916342483dba2dc3913f1f0bb66adda5387da062183d6