In a large pot over medium heat, heat the olive oil.
Sauté the onion, garlic, celery, and bell pepper until they begin to wilt, about 5-6 minutes.
Add the carrots, potatoes, squash, zucchini, corn, and water.
Increase heat to medium-high and cook covered until it comes to a boil.
Lower the heat to medium, remove the foam that forms on the surface, add the tomato paste and stir until completely dissolved.
Add the salt and the tied cilantro bundle.
Cook covered for 20 minutes until all vegetables are tender.
Remove the tied cilantro, adjust the salt if necessary.
Serve hot with one poached egg per person and a bit of fresh chopped cilantro on top.